 Heisman Trophy candidate Colt Brennan threw for 416 yards and six touchdowns in only the first half as the 23rd-ranked University of Hawai`i football team opened up the 2007 campaign with a 63–6 victory over Northern Colorado, Saturday night, at Aloha Stadium.The Warriors found the end zone early and often tallying 28 points in the first and led 42–0 at the half.UH scored only once in the third quarter on an 80-yard punt return for a TD by Michael Washington.