USC remains on top of Pac-10

Complete Pac-10 signing lists

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Quality, not quantity. This is not going to be a big class, but it's certainly impressive. The Trojans really cemented their class by adding the No. 1 player in the country, RB Joe McKnight (Riveridge, La./John Curtis Christian), giving them the top three players in the country. The Trojans signed eight other players who rank in the top five of their respective positions, including ILB Chris Galippo (Anaheim, Calif./Servite), RB Marc Tyler (Westlake Village, Calif./Oaks Christian) and DE Everson Griffen (Avondale, Ariz./Agua Fria Union). If Griffen gets his motor going full-time, he could be a great one. QB Aaron Corp (Orange, Calif./Lutheran) has huge upside.