When the Pac-10 last saw Kevin O’Neill, he was leaving his position as the interim coach of Arizona, following Lute Olson’s return to the Wildcats’ bench. (To make the situation somewhat more complicated, Olson actually never returned to the bench, retiring before the 2008-9 season began.)Now O’Neill is returning as the coach of Southern California. O’Neill is a defensive-minded coach who has been described as a disciplinarian and has a reputation for being intense. Like the departed Trojans coa