New coach Kevin O'Neill will have his work cut out for him at USC. A rash of NBA defections and a looming NCAA investigation into alleged improprieties involving former star O.J. Mayo mean the Trojans are at least three years away from returning to the NCAA tournament.... Lance Stephenson could be the next player to skip college and head for Europe. The 6'5" senior swingman from Brooklyn is the top unsigned prospect in the nation, but there's concern about his amateur status and a pending misdemeanor sexual-assault charge to which he has pleaded not guilty.... Kansas has been the biggest winner this spring. While many borderline prospects entered the NBA draft, KU's best players, point guard Sherron Collins (below) and center Cole Aldrich, are staying put.