Pittsburgh Steelers quarterback Ben Roethlisberger (7) runs from Minnesota Vikings defensive tackle Sheldon Richardson (90) during the first half of an NFL football game, Thursday, Dec. 9, 2021, in Minneapolis. (AP Photo/Andy Clayton-King)

Los Angeles Rams' Jalen Ramsey warms up before an NFL football game against the Green Bay Packers Sunday, Nov. 28, 2021, in Green Bay, Wis. (AP Photo/Aaron Gash)

Denver Broncos head coach Vic Fangio watches during the second half of an NFL football game against the Detroit Lions, Sunday, Dec. 12, 2021, in Denver. (AP Photo/Jack Dempsey)

FILE - Seattle Seahawks head coach Pete Carroll walks on the field before an NFL football game against the San Francisco 49ers, Dec. 5, 2021, in Seattle. The NFL is requiring players, coaches and other team personnel to receive a COVID-19 booster by Dec. 27. In a memo sent to teams on Monday, Dec. 13, 2021, and obtained by The Associated Press, the league said: “Given the increased prevalence of the virus in our communities, our experts have recommended that we implement the CDC’s recommendation.” (AP Photo/Elaine Thompson, File)

Green Bay Packers wide receiver Davante Adams runs after catching a pass while being defended by Chicago Bears linebacker Alec Ogeltree (44) during an NFL football game on Sunday, Dec. 12, 2021, in Green Bay, Wis. (Adam Niemi/The Daily Mining Gazette via AP)