— National and Big 12 Recap — In 2003, the Bowl Championship Series failed to produce a consensus national champion. LSU defeated Oklahoma, 21-14, in the Sugar Bowl to claim the BCS Championship, while the University of Southern California claimed the Associated Press National title with a 28-14 win over Michigan in the Rose Bowl. The rift between the polls came when Oklahoma, despite losing the Big 12 title game to Kansas State, remained as the Bowl Championship Series Rankings No. 1 team, followed by LSU and USC. This required …