"An MRI exam of the injured right knee of Washington Redskins quarterback Robert Griffin III shows that the rookie star may have suffered at least partial tears of two ligaments, according to several people with knowledge of the test results.

Redskins Coach Mike Shanahan said Monday that the results of Griffin's MRI were inconclusive and that Griffin would be examined Tuesday by orthopedic surgeon James Andrews at Andrews's medical office outside Pensacola, Fla. That evaluation is an attempt to determine whether the MRI results show new injuries to Griffin's anterior cruciate and lateral collateral ligaments, or previous injuries, he said.

Griffin tore the ACL in the same knee in 2009 while he was a sophomore at Baylor University.

"Any time you do have a former ACL injury, or an LCL, and you look at this MRI, sometimes it's old injuries," Shanahan said. "That's why he's going t