
2026 Baseball Roster
Roster

Jersey Number 5
Diego Castellanos
- Position:
- Outfielder
- Height:
- 6-1
- Class:
- Junior
- Hometown:
- Morgan Hill, Calif.
- High School:
- Live Oak HS
- Major:
- Kinesiology
CAREER HIGHLIGHTS
AS A JUNIOR (2026): Played in 62 games and made 62 starts as the team's starting right fielder... Finished the 2026 season with a team high .382 batting average, .458 on-base percentage, .554 slugging percentage and a 1.012 OPS... Recorded 96 hits, 21 doubles, two triples, six home runs, 50 RBI and scored a team high 61 runs... Broke the West Coast Conference and program hit streak record with a hit in 39 consecutive games... Recorded 27 multi-hit games on the season including three four-hit games... Recorded two four-RBI games in wins over San Jose State (2/27) and LMU (5/8)... Recorded two home runs in a 15-5 run-rule win over San Jose State (2/27)... Had a stretch of three consecutive home runs over three games including four hits in a 15-11 13-inning win over Santa Clara (4/12)... Recorded five hits in the NCAA Los Angeles Regional to extend his hit streak to 39 games... Finished with eight hits in the WCC Tournament and was named to the All-Tournament team... Named All-WCC First Team... Named ABCA All-West Region Second Team.
AS A SOPHOMORE (2025): Played in a career high 61 games and made 58 starts as the team's primary right fielder... Finished the season with a .311 batting average, .488 slugging percentage, .414 on-base percentage and a .902 OPS... Recorded 65 hits, 11 doubles, one triple, eight home runs, 40 RBI and also stole eight bases on the year... Recorded 21 multi-hit games and had a career high three hits six times... Also had a career high three RBI twice in non-conference wins over San Diego State and Nevada... Hit a walk-off solo home run in a home win over San Jose State, 5-4 in the ninth... Also hit a two-run homer in the NCAA Regional against USC that put the Gaels up 2-1 at the time... Named All-WCC Honorable Mention.
AS A FRESHMAN (2024): Played in 8 games for Saint Mary's as a true freshman. Scored a pair of runs vs. Santa Clara and UC Santa Barbara...
PRIOR TO SAINT MARY’S: From Morgan Hill, CA attending Live Oak High School … recorded a .408 average and .531 on base percentage with 43 stolen bases over three years of varsity action … while winning 3 league championships he also earned first team All-League honors twice as well as 2022 Blossom Valley Athletic League MVP
- All-WCC First Team (2026)
- WCC All-Tournament Team (2026)
- NCAA Los Angeles Regional All-Tournament Team (2026)
- ABCA All-West Region Second Team (2026)
- All-WCC Honorable Mention (2025)
AS A JUNIOR (2026): Played in 62 games and made 62 starts as the team's starting right fielder... Finished the 2026 season with a team high .382 batting average, .458 on-base percentage, .554 slugging percentage and a 1.012 OPS... Recorded 96 hits, 21 doubles, two triples, six home runs, 50 RBI and scored a team high 61 runs... Broke the West Coast Conference and program hit streak record with a hit in 39 consecutive games... Recorded 27 multi-hit games on the season including three four-hit games... Recorded two four-RBI games in wins over San Jose State (2/27) and LMU (5/8)... Recorded two home runs in a 15-5 run-rule win over San Jose State (2/27)... Had a stretch of three consecutive home runs over three games including four hits in a 15-11 13-inning win over Santa Clara (4/12)... Recorded five hits in the NCAA Los Angeles Regional to extend his hit streak to 39 games... Finished with eight hits in the WCC Tournament and was named to the All-Tournament team... Named All-WCC First Team... Named ABCA All-West Region Second Team.
AS A SOPHOMORE (2025): Played in a career high 61 games and made 58 starts as the team's primary right fielder... Finished the season with a .311 batting average, .488 slugging percentage, .414 on-base percentage and a .902 OPS... Recorded 65 hits, 11 doubles, one triple, eight home runs, 40 RBI and also stole eight bases on the year... Recorded 21 multi-hit games and had a career high three hits six times... Also had a career high three RBI twice in non-conference wins over San Diego State and Nevada... Hit a walk-off solo home run in a home win over San Jose State, 5-4 in the ninth... Also hit a two-run homer in the NCAA Regional against USC that put the Gaels up 2-1 at the time... Named All-WCC Honorable Mention.
AS A FRESHMAN (2024): Played in 8 games for Saint Mary's as a true freshman. Scored a pair of runs vs. Santa Clara and UC Santa Barbara...
PRIOR TO SAINT MARY’S: From Morgan Hill, CA attending Live Oak High School … recorded a .408 average and .531 on base percentage with 43 stolen bases over three years of varsity action … while winning 3 league championships he also earned first team All-League honors twice as well as 2022 Blossom Valley Athletic League MVP
Monday, June 01
Sunday, May 31
Sunday, May 31
Saturday, May 30






























































