<!–start image–><!– end image–>Saturday, in a virtual must-win at home against Washington, O.J. Mayo got started with one of his most unproductive stretches of the season. The Pac-10’s second-leading scorer had one point at halftime. But, the freshman came on strong after going down hard in the second half. He scored 9 of his 15 points in the final 12 minutes, as USC pulled away from U