FILE - In this Nov. 4, 2018, file photo, Baltimore Ravens quarterback Joe Flacco speaks at a news conference after an NFL football game against the Pittsburgh Steelers, in Baltimore. A person with knowledge of the trade tells The Associated Press, Wednesday, Feb. 13, 2019, that the Denver Broncos have agreed to acquire Baltimore Ravens quarterback Joe Flacco in exchange for a fourth-round pick in this year's NFL draft. The person spoke on condition of anonymity because neither team announced the deal.(AP Photo/Gail Burton, File)

FILE - In this Nov. 4, 2018, file photo, Baltimore Ravens quarterback Joe Flacco throws to a receiver in the second half of an NFL football game against the Pittsburgh Steelers in Baltimore. Denver Broncos' John Elway traded a fourth-round pick to Baltimore for Flacco, then shipped incumbent Case Keenum to Washington in a pair of deals that became official Wednesday, March 13, 2019, with the start of the league's new year. (AP Photo/Gail Burton, File)