Pittsburgh Steelers fans cheer during warm ups before the start of an NFL football game between the St. Louis Rams and the Pittsburgh Steelers Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

Pittsburgh Steelers quarterback Ben Roethlisberger throws during the first quarter of an NFL football game against the St. Louis Rams, Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Tom Gannam)

Pittsburgh Steelers place kicker Josh Scobee (8) boots a field goal as St. Louis Rams' Trumaine Johnson (22) attempts a block during the first quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

Pittsburgh Steelers running back Le'Veon Bell catches a pass for a gain as St. Louis Rams linebacker James Laurinaitis defends during the first quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

St. Louis Rams quarterback Nick Foles, right, throws over Pittsburgh Steelers defensive end Cameron Heyward during the first quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams running back Tre Mason (27) runs with the ball past Pittsburgh Steelers strong safety Will Allen during the first quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

Pittsburgh Steelers running back Le'Veon Bell, left, runs past St. Louis Rams defensive end Chris Long during the first quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

Pittsburgh Steelers running back Le'Veon Bell, top, tries to leap over St. Louis Rams cornerback Trumaine Johnson after catching a pass during the second quarter of an NFL football game, Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

St. Louis Rams running back Tre Mason (27) runs with the ball as Pittsburgh Steelers defensive end Cameron Heyward, left, and defensive back Antwon Blake try to stop him during the third quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

Pittsburgh Steelers strong safety Will Allen celebrates after intercepting a pass during the fourth quarter of an NFL football game against the St. Louis Rams on Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Tom Gannam)

Pittsburgh Steelers strong safety Will Allen, right, intercepts a pass intended for St. Louis Rams tight end Lance Kendrick, left, during the fourth quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Billy Hurst)

St. Louis Rams tight end Jared Cook, left, can't catch the ball in the end zone as Pittsburgh Steelers cornerback Ross Cockrell defends during the fourth quarter of an NFL football game Sunday, Sept. 27, 2015, in St. Louis. (AP Photo/Tom Gannam)