Harris was a two-year starter at right tackle on the Farm. In 2002 Harris started 11 games and was an All-Pac-10 first team member. He was also an honorable mention All-American and an honorable mention Academic All-Pac-10. Harris gave up his final year of eligibility at Stanford to enter the NFL and was taken in the first round by San Francisco. He played five seasons with the Niners before finishing up his NFL career with a year in Oakland.