FILE - In this Jan. 6, 1980, file photo, Pittsburgh Steelers Donnie Shell (31) hits Houston Oilers' Mike Renfro causing Renfro to fumble the ball in second quarter of AFC championship NFL football game in Pittsburgh. NFL champion players Roger Craig, Drew Pearson and Donnie Shell are among the finalists for the Pro Football Hall of Fame's special centennial class announced Thursday, Dec. 19, 2019. A 25-member panel of pro football experts is charged with selecting 10 senior players, two coaches and three contributors who will be inducted into the Canton, Ohio shrine next year as part of the league's celebration of its 100th season. (AP Photo/File)

FILE - In this Jan. 20, 1985, file photo, San Francisco 49ers Roger Craig (33) goes airborne as he crosses goal line for a touchdown during the second quarter of NFL Super Bowl XIX football game against the Miami Dolphins in Stanford, Calif. NFL champion players Roger Craig, Drew Pearson and Donnie Shell are among the finalists for the Pro Football Hall of Fame's special centennial class announced Thursday, Dec. 19, 2019. A 25-member panel of pro football experts is charged with selecting 10 senior players, two coaches and three contributors who will be inducted into the Canton, Ohio shrine next year as part of the league's celebration of its 100th season. (AP Photo/File)

FILE - In this Feb. 5, 2006, file photo, Pittsburgh Steelers head coach Bill Cowher lifts the Vince Lombardi Trophy after his team defeated the Seattle Seahawks, 21-10, in the Super Bowl XL NFL football game in Detroit. Five Super Bowl-winning coaches, including Cowher, are among the finalists for the Pro Football Hall of Fame's special centennial class announced Thursday, Dec. 19, 2019. A 25-member panel of pro football experts is charged with selecting 10 senior players, two coaches and three contributors who will be inducted into the Canton, Ohio shrine next year as part of the league's celebration of its 100th season. (AP Photo/Gene J. Puskar, File)

FILE - In this Jan. 28, 1994, file photo, Dallas Cowboys head coach Jimmy Johnson poses with the Vince Lombardi Super Bowl trophy during an NFL football news conference in Atlanta. Five Super Bowl-winning coaches, including Johnson, and such NFL champion players as Roger Craig, Drew Pearson and  Donnie Shell are among the finalists for the Pro Football Hall of Fame's special centennial class announced Thursday, Dec. 19, 2019. A 25-member panel of pro football experts is charged with selecting 10 senior players, two coaches and three contributors who will be inducted into the Canton, Ohio shrine next year as part of the league's celebration of its 100th season. (AP Photo/Ron Heflin, File)

FILE - In this Jan. 26, 1997, file photo, Green Bay Packers coach Mike Holmgren gives a thumbs up behind the Lombardi Trophy after the Packers beat the New England Patriots 35-21 to win Super Bowl XXXI NFL football game in New Orleans. Five Super Bowl-winning coaches, including Holmgren, are among the finalists for the Pro Football Hall of Fame's special centennial class announced Thursday, Dec. 19, 2019. A 25-member panel of pro football experts is charged with selecting 10 senior players, two coaches and three contributors who will be inducted into the Canton, Ohio shrine next year as part of the league's celebration of its 100th season. (AP Photo/Ed Reinke, File)

FILE - In this Jan. 4, 1981, file photo, Dallas wide receiver Drew Pearson (88) celebrates scoring the winning touchdown in the final minutes against the Atlanta Falcons in NFC divisional playoff football game in Atlanta. NFL champion players Roger Craig, Drew Pearson and Donnie Shell are among the finalists for the Pro Football Hall of Fame's special centennial class announced Thursday, Dec. 19, 2019. A 25-member panel of pro football experts is charged with selecting 10 senior players, two coaches and three contributors who will be inducted into the Canton, Ohio shrine next year as part of the league's celebration of its 100th season. (AP Photo/File)