Green Bay Packers quarterback Aaron Rodgers (12) gets tackled by Detroit Lions linebacker Landon Johnson (55) and is knocked out of the game in the second quarter of the NFL football game in Detroit, Sunday, Dec. 12, 2010. (AP Photo/Rick Osentoski)

Photo by: Rick Osentoski

Green Bay Packers quarterback Aaron Rodgers (12) gets tackled by Detroit Lions linebacker Landon Johnson (55) and is knocked out of the game in the second quarter of the NFL football game in Detroit, Sunday, Dec. 12, 2010. (AP Photo/Rick Osentoski)