Roethlisberger was carted off and didn't return to the game.
Steelers beat Rams 12-6, lose Ben Roethlisberger to knee injury in 3rd quarter
Shazier had 15 tackles and a sack against the 49ers.
Two 1-1 teams whose outlook on the season could be defined by this game face off.
Bell will elevate an already stellar passing game
Le'Veon Bell: "I'm glad to be back on the field..."
By the end of the second quarter, Steelers' linebacker Ryan Shazier was dancing between plays.
Sometimes, football is easy.
Against the San Francisco 49ers on Sunday, the Steelers sure made it look that way.