Three Cleveland (Ohio) Glenville stars have signed their national letters of intent.Offensive lineman Aundrey Walker has signed with USC, selecting the Trojans over Ohio State, Florida State and Michigan State among others."It's always been my dream school," Walker said. "That's where my heart was so I chose USC. The coaches showed me love. I feel they were real."Walker said he will begin his career with the Trojans at right tackle, and then possibly move to left tackle.Quarterback Cardale Jones has signed with Ohio State. He will attend a prep school for six months before enrolling at Ohio State in January. Jones picked the Buckeyes over Toledo."I'm really excited to be a Buckeye," Jones said. "I'm real happy how it turned out."Wide receiver Shane Wynn has signed with Indiana over scholarship offers from Toledo and Penn State. In addition to playing wide receiver, Wynn will also return punts and kickoffs for the Hoosiers.