Philadelphia, PA (Sports Network) - Philadelphia Eagles wide receiver DeSean Jackson left Monday's game against Carolina with a sternum injury.

He departed the contest in the first quarter and had an x-ray performed, but they came back negative.

The team said that his return to the game was doubtful.

Also, rookie defensive tackle Fletcher Cox left with a tailbone injury and had an x-ray that also came back negative. His return is also doubtful.