Harrison was a two-time Ivy League Rookie-of-the-Week in 2007-2008.  He played in 27 of 31 games, with 10 starts, averaging 21.7 minutes per game. He was third among Ivy players with 98 assists, and led the Ivy League in assist/turnover ratio (1.78).  His season was highlighted by scoring 19 points and dishing out 6 assists against Cornell (3/7) and 16 points and five assists at Harvard (2/23).  Harrison was a four-year letter winner and three-year captain at Serrano High School in Phelan, where he ended his career as their all-time leading scorer (2,086 points).  He helped his team to three consecutive Mojave River League titles and earned Mojave River League MVP honors three times.  He was also a three-time 1st Team All-C.I.F. selection and 2006-2007 Citrus Belt League “Athlete of the Year”.

In his sophomore season at USC, Hector started in 55 games and batted .263 (52-for-198) with a career-high seven home runs and 30 RBI.  His season at the plate was highlighted by seven doubles, one triple, four stolen bases and four RBI in the Washington State series (May 23rd-25th).   He was a key figure in the  6-5 win on May 18th against Oregon State, as the Trojans rallied from a 5-0
deficit.  He had a 2-for-3 game with three RBI, including a walk-off RBI single in the ninth inning with two outs.  He was forced to make two starts at shortstop due to a teammates injury, where he hit two home runs and a triple on February 23rd, and finished the weekend by hitting .636 (7-for-11) with two doubles, a  triple, two home runs and four RBI.  He was a four-year varsity letter winner at Riverside Poly High School.  He was a three-time All-County selection, a two-time Riverside Press Enterprise 1st Team selection and earned All-CIF Division One 1st Team honors after batting .437 with seven home runs, 32 walks, 31 runs and 26 RBI in his senior season.