Raiders' Carr leaves game vs. Broncos with back injury

The Oakland Raiders are holding their collective breath, as star quarterback Derek Carr left Sunday's game against the Denver Broncos after suffering a back injury after being thrown to the ground in the third quarter.

Carr walked gingerly to the sidelines and eventually made his way back to the locker room with the training staff for further evaluation. He was announced on the broadcast as questionable to return to the game and will undergo X-rays on his back.

E.J. Manuel came in to replace Carr.