St. Louis Rams running back Zac Stacy, right, runs past Dallas Cowboys linebacker Anthony Hitchens for a first down during the first quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams quarterback Austin Davis throws during the first quarter of an NFL football game against the Dallas Cowboys, Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams tight end Lance Kendricks, top, is congratulated by teammate Jake Long after making a 1-yard catch for a touchdown during the first quarter of an NFL football game against the Dallas Cowboys, Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Scott Kane)

St. Louis Rams wide receiver Brian Quick, left, runs past Dallas Cowboys free safety Barry Church after catching a 51-yard pass for a touchdown during the second quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams wide receiver Brian Quick, right, catches a 51-yard pass for a touchdown as Dallas Cowboys cornerback Morris Claiborne defends during the second quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Scott Kane)

St. Louis Rams running back Zac Stacy, left, struggles for yardage against Dallas Cowboys linebacker Anthony Hitchens and linebacker Cameron Lawrence, right, during the first quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams wide receiver Brian Quick, left, runs with the ball after catching a 51-yard pass for a touchdown as Dallas Cowboys cornerback Morris Claiborne, right, defends during the second quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams wide receiver Brian Quick, right, catches a 51-yard pass for a touchdown as Dallas Cowboys cornerback Morris Claiborne defends during the second quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams quarterback Austin Davis, left, is hit as he throws by Dallas Cowboys linebacker Bruce Carter during the first quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

Dallas Cowboys quarterback Tony Romo scrambles during the second quarter of an NFL football game against the St. Louis Rams, Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Scott Kane)

Dallas Cowboys quarterback Tony Romo watches as he throws a pass that was intercepted by St. Louis Rams cornerback Janoris Jenkins and ran 25-yards by Jenkins for a touchdown during the second quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

Dallas Cowboys wide receiver Cole Beasley (11) cannot catch a ball in the end zone as St. Louis Rams cornerback Lamarcus Joyner and free safety Rodney McLeod (23) defend during the second quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Scott Kane)

Dallas Cowboys quarterback Tony Romo, left, hands off to running back DeMarco Murray as Murray runs into the end zone for a 1-yard touchdown during the second quarter of an NFL football game against the St. Louis Rams, Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

Dallas Cowboys wide receiver Dez Bryant, left, catches a 68-yard touchdown pass as St. Louis Rams strong safety T.J. McDonald (25) watches during the third quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Scott Kane)

St. Louis Rams running back Zac Stacy, right, runs for a 9-yard gain as Dallas Cowboys strong safety J.J. Wilcox defends during the third quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Scott Kane)

Dallas Cowboys running back DeMarco Murray (29) falls at the end of a 44-yard run as St. Louis Rams linebacker James Laurinaitis, left, and linebacker Alec Ogletree watch during the third quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

Dallas Cowboys cornerback Morris Claiborne, right, celebrates after intercepting a pass as teammate strong safety J.J. Wilcox watches during the fourth quarter of an NFL football game against the St. Louis Rams, Sunday, Sept. 21, 2014, in St. Louis. The Cowboys won 34-31. (AP Photo/Jeff Roberson)

Dallas Cowboys wide receiver Dez Bryant (88) is stopped by St. Louis Rams free safety Rodney McLeod after catching a pass for a 3-yard gain during the fourth quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. (AP Photo/Tom Gannam)

Dallas Cowboys quarterback Tony Romo smiles on the sideline during the fourth quarter of an NFL football game against the St. Louis Rams, Sunday, Sept. 21, 2014, in St. Louis. The Cowboys won 34-31. (AP Photo/Tom Gannam)

Dallas Cowboys running back DeMarco Murray, top, carries the ball after catching a pass for a 6-yard gain as St. Louis Rams cornerback E.J. Gaines defends during the second quarter of an NFL football game Sunday, Sept. 21, 2014, in St. Louis. The Cowboys won 34-31. (AP Photo/Scott Kane)