SAN DIEGO -- Bennie Boatwright hobbled out of Jenny Craig Pavilion on crutches and his sprained left knee in a brace, an injury that put a damper on Southern Californias 76-55 victory against San Diego and left the undefeated Trojans wondering how long theyll be without their second-leading scorer.The 6-foot-10 sophomore forward was hurt when he collided with USDs Juwan Gray while taking a shot just three minutes in. Boatwright stayed on the floor for a few minutes while being tended to and had to be helped to the bench. He also had to be helped into the locker room at halftime.Coach Andy Enfield said Boatwright will have an MRI exam on Thursday.Were hoping its just a sprain, Enfield said. Were hoping for the best. Hell certainly be out for a while. Were hoping its a few weeks vs. the season.Chimezie Metu had 19 points and 13 rebounds, and Elijah Stewart scored 15 points for the Trojans (7-0), who led the whole way in beating the Toreros for the second straight season. DeAnthony Melton added 14.Boatwright, who missed the first two games with back spasms, was averaging 13.5 points.It has an effect because our rotation is not the same as it would be with him in there. Hes a unique player, with his size and his guard skills, Enfield added. We had to go small, and then we went big. Thank goodness Chimezie is skilled enough to play both front-line positions. ... Our players just have to step up.Metu agreed.Its one less scoring option on offense. At times when we didnt have him it was hard for us to score. Were just going to have to work through it.Olin Carter III scored 21 for USD, while Brett Bailey had 17 and Tyler Williams 10.TALL TROJANUSC was too big and talented for the Toreros, particularly the 6-foot-11 Metu, who was 9 of 11 from the floor. He dominated on the boards and scored eight of the Trojans final 12 points of the first half en route to a 43-31 lead. He had a tip-in off a rebound, a turnaround jumper, a jump hook and a slam dunk off a rebound.The teams combined to miss 14 straight shots early in the second half, each going about six minutes without scoring.Metu broke the Trojans drought with a slam dunk on an alley-oop pass from Jordan McLaughlin.BIG PICTUREUSC: The Trojans are off to their best start since going 8-0 to open the 2000-01 season. They finished 24-10 after reaching the Elite Eight.USD: The Toreros dropped to 0-6 all-time against the Trojans. The Toreros opened last season at USC, losing 83-45.TOREROSWeve just got to continue to chop wood, San Diego coach Lamont Smith said. Weve got to have our freshmen grow up. Right now they havent played at a high enough clip, and with half our team being freshmen, theyve got to produce.UP NEXTUSC plays BYU in the Hoophall LA game at Staples Center on Saturday. The game is part of a doubleheader, with No. 8 Gonzaga and 16th-ranked Arizona playing the first game. 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Brisbane coach Wayne Bennett is clearly satisfied with the outcome of an investigation into off-field misbehaviour by James Roberts.The Broncos centre was fined $20,000 by the NRL club after two incidents at Brisbane hotels earlier this month.Roberts will also have to undergo community service and a personal development plan as part of his punishment.Its reported the 23-year-old is on his final warning with the NRL after having already been sacked from Penrith and South Sydney in his short career for off-field indiscretions.The Broncos launched an investigation last week after Roberts was forcibly removed from the Normanby Hotel for allegedly abusing a female staff member when he was refused service.It then was revealed the ex-Gold Coast player had been given a 10-day banning notice by police after allegedly spitting on a bar manager at the GPO Hotel in Brisbanes Fortitude Valley at the start of the month.ddddddddddddAs far as Bennett is concerned, however, the issue is resolved and he wasnt willing to comment on Roberts punishment following training on Thursday morning.Im not going to talk about James, Bennett said.Its over. Weve all moved on. You guys should move on.Roberts avoiding suspension following the investigation means hell be free to play ladder leaders Melbourne for the Broncos this Friday night. ' ' '