ATLANTA -- Just days after surprising many and announcing his commitment to USC, five-star defensive end Mykel Williams (Columbus, Ga.) was at the Rivals Five-Star Challenge in Atlanta on Thursday along with close friend and key Trojans target, four-star defensive tackle Christen Miller (Ellenwood, Ga.).

Both were sporting USC gloves as they performed well against some highly-rated national competition.

Watch our breakout videos on each guy here:

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