Redskins" Robert Griffin III Optimistic About Recovery Time Quarterback Robert Griffin III said he expected "without a doubt" to be fully recovered from knee surgery and in uniform when the Washington Redskins open training camp July 25 in Richmond, Va. Griffin had knee surgery Jan. 9 to repair the anterior cruciate and lateral collateral ligaments he had torn during a playoff loss to Seattle. ■ Prosecutors said Dallas Cowboys defensive tackle Josh Brent had tested positive for marijuana while awaiting trial after a fatal car crash. Brent was charged in the Dec. 8 crash that killed Jerry Brown, a Cowboys practice squad player. The police accused Brent of driving with a blood-alcohol content more than twice the legal limit.