Baltimore Ravens quarterback Joe Flacco speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens safety Bernard Pollard speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens safety Bernard Pollard speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens center Matt Birk speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens center Matt Birk speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterback Joe Flacco speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterback Joe Flacco speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Alonna Pollard looks on as her father, Baltimore Ravens safety Bernard Pollard, speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh pauses during an NFL football news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens coach John Harbaugh speaks at a news conference at the NFL football team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh appears during an NFL football news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh smiles during an NFL football news conference at the team's practice facility in Owings Mills, Md., Monday, Jan. 21, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens inside linebacker Ray Lewis speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh speaks at a news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens inside linebacker Ray Lewis waits for his turn to speak at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterback Joe Flacco speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens inside linebacker Ray Lewis speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens running back Ray Rice speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens free safety Ed Reed speaks at a news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens free safety Ed Reed speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens running back Ray Rice speaks at am NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh, right, speaks with wide receiver David Reed (16) during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens strong safety Bernard Pollard stretches during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterback Joe Flacco warms up during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens fullback Vonta Leach stretches during NFL football practice at the team's training facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Torrey Smith, right, chats with teammate Anquan Boldin during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens free safety Ed Reed dances during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh watches his players warm up during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Jacoby Jones, left, chats with teammate Vonta Leach during NFL football practice at the team's training facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens strong safety Bernard Pollard warms up during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens offensive coordinator Jim Caldwell watches the team during NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens inside linebacker Ray Lewis walks in for NFL football practice at the team's traning facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterback Joe Flacco speaks at an NFL football news conference at the team's practice facility in Owings Mills, Md., Thursday, Jan. 24, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens general manager and executive vice president Ozzie Newsome speaks at a news conference at the team's practice facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens general manager and executive vice president Ozzie Newsome speaks at a news conference at the team's practice facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens general manager and executive vice president Ozzie Newsome speaks at a news conference at the team's practice facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens defensive back Chris Johnson stretches during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterbacks Joe Flacco (5) and Tyrod Taylor walk out of a doorway for NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens running back Ray Rice stretches during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Jacoby Jones catches a pass during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Torrey Smith jogs during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens punter Sam Koch warms up during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh, center, speaks with cornerback Corey Graham during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Jacoby Jones catches a pass during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens tight end Dennis Pitta reaches out to catch a pass during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterbacks Joe Flacco (5) and Tyrod Taylor walk down a hallway for NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens offensive coordinator Jim Caldwell speaks at a news conference at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens offensive coordinator Jim Caldwell listens at a news conference at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens defensive coordinator Dean Pees speaks at a news conference at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens defensive coordinator Dean Pees speaks at a news conference at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens inside linebacker Ray Lewis (52) walks off the field after NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh, right, chats with defensive coordinator Dean Pees after NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens assistant head coach and special teams coordinator Jerry Rosburg speaks at a news conference at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterback Joe Flacco, left, speaks with offensive coordinator Jim Caldwell after NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens offensive coordinator Jim Caldwell, back left, looks on as quarterback Joe Flacco warms up during NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Baltimore Ravens coach John Harbaugh calls to his team during football practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).

Baltimore Ravens wide receiver Anquan Boldin warms up during football practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).

Baltimore Ravens Matt Birk, and Gino Gradkowski talk during football practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).

Baltimore Ravens tight end Dennis Pitta smiles during practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).

Baltimore Ravens corner back Cary Williams warms up during practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).

Baltimore Ravens quarterback Joe Flacco smiles at back up quarterback Tyrod Taylor during practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).

Baltimore Ravens coach John Harbaugh answers questions from reporters during a media availability at the team's training facility in Owings Mills, Md., Saturday, Jan. 26, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Gail Burton).

Baltimore Ravens coach John Harbaugh answers questions from reporters during a media availability at the team's training facility in Owings Mills, Md., Saturday, Jan. 26, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Gail Burton).

Baltimore Ravens coach John Harbaugh answers questions from reporters during a media availability at the team's training facility in Owings Mills, Md., Saturday, Jan. 26, 2013. The Ravens are scheduled to face the San Francisco 49ers in NFL football's Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Gail Burton).

Baltimore Ravens linebacker Ray Lewis walks off the field after NFL football practice at the team's training facility in Owings Mills, Md., Saturday, Jan. 26, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Gail Burton).

Baltimore Ravens wide receiver Torrey Smith walks off the field after NFL football practice at the team's training facility in Owings Mills, Md., Saturday, Jan. 26, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Gail Burton)

Baltimore Ravens rookie kicker Justin Tucker finds a creative way to carry his helmet during NFL football practice at the team's training facility in Owings Mills, Md., Saturday, Jan. 26, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Gail Burton)

Baltimore Ravens quarterback Joe Flacco walks off the field after NFL football practice at the team's training facility in Owings Mills, Md., Saturday, Jan. 26, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Gail Burton)