Adam Jacobsen immediately made an impact for the Tigers as a freshman, shooting a percentage of .378 from the 3-point line, which was sixth best in the Big West that year. His 2.4 3-point FG per game was good enough for the team lead and fifth best in the Big West. His 59 3-point FGs made set a Pacific freshman record for 3-pointers in a single season. His sharp-shooting earned him Big West All-Freshman honors.
Jacobsen's second season saw improvements in every statistical category. He was one of only three players to start every game during the 1994-95 season and the only player on the team to log over 1,000 minutes of court time. That year, he led the team in steals and assists, recording 52 and 126 respectively. His scoring numbers improved dramatically when he finished second on the team in scoring average with 16.7 points per game. Jacobsen remained deadly from downtown, netting a team-high 95 3-point field goals on a school-record 240 attempts for a .396 3-point percentage. His 3.52 3-pointers per game finished eighth in the country, and his performance earned him All-Big West Conference Second Team honors.
As a junior in in 1995-96, Jacobsen was one of two Tigers to start every game and averaged 14.1 points, 3.2 rebounds and four assists per game as a junior. He scored a then-career high 28 points in Pacific's win at UNLV, tying his own school record with eight three pointers against the Rebels. He earned Big West Conference Player of the Week honors for the first time on February 26. Jacobsen earned All-Big West Conference Second Team honors for the second straight year.
During the 1997-98 season, Jacobsen played 1,136 minutes, averaging 11.6 points and 3.6 rebounds per game while scoring a career-high 31 points against Fresno State . He made 74 3-point field goals during the season, cementing his position at the top of the Tigers' career 3-pointers list. Jacobsen finished his career as the three-point leader at both Pacific and in the Big West Conference with 311 three-pointers made. He is also Pacific's career assists leader (436) and second on the career steals list (160). With 1,513 career points, he is in sixth place on the career scoring list at Pacific, averaging 12.6 points per game over 120 games.
After his playing days, Jacobsen served as an assistant coach for the Tigers for two seasons from 1999 to 2001.Â
