Spencer earned first team All-America and All-Pac-10 honors in 1990 after posting a 14-1 record and a 2.73 ERA. He also struck out 145 batters in 141.2 innings or work. His 14 wins are tied for second on Stanford's all-time single-season victory list while his 145 strikeouts rank as the fourth highest single-season total in school history. As a freshman, Spencer posted a 7-2 record and a 3.19 ERA to help the Cardinal to its second straight College World Series title and was the winning pitcher in the championship game against Arizona State. After an eight-year minor league career, he finally made the majors in 1998, pitching for the Padres for parts of three seasons.