Tulane safety Devon Walker is recovering after surgery for a spinal fracture he received during Saturday’s game with Tulsa, but it may be a few more days before doctors can determine the extent to which he may recover.

G4SportsNews reports Walker broke his neck and stopped breathing when he collided with fellow teammate Julius Warmsley while trying to tackle Tulsa back Willie Carter on the final play of the first half. The safety then rolled on his back and didn’t move. Emergency medical services performed CPR as a precaution.

Tulane’s team doctor, Greg Stewart, told The New Orleans Times-Picayune in a report published online that the player had some feeling in his arms and legs and that the possibility of paralysis was still unknown and it may not become clear until midweek.

Stewart told the newspaper that doctors would need more time to determine the extent of his injury.

Stewart also said a tracheotomy was not performed on Walker on the field and he had not suffered a collapsed lung as Tulsa ABC affiliate KTUL-TV reported, citing a Tulane trainer. ESPN.com also reported Walker had undergone a tracheotomy and sustained a collapsed lung. CPR was done as a precautionary measure, Stewart said.

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By Wes Hall