GREEN BAY, Wis. — Green Bay Packers cornerback Al Harris was undergoing medical tests Monday amid a report he might have ruptured his spleen in Sunday's loss to the Dallas Cowboys.

The National Football Post, a Web site that lists Harris' agent as a contributor, reported that the injury could end Harris' season. Agent Jack Bechta did not immediately return a message from The Associated Press.

Earlier in the day, Packers coach Mike McCarthy said the team's medical staff was "just doing scans" on Harris and were "checking for everything." A team spokesman said no additional information was available.