AS A JUNIOR (2015):
 - Batted .278 in 162 at-bats with three home runs, 31 RBI, five doubles and four stolen bases.
 - Named Louisville Slugger National Player of the Week by both Collegiate Baseball and NCAA.com for his performance against Chicago State (March 6-8) when the junior was 8-for-11 (.727) with two home runs, a double and nine RBI. In the friday night game, Celsi drove in eight runs, which tied a school record with a grand slam and three-run shot.
 - Ranked fourth on the team in RBI (31)
 - Was 17-for-57 (.298) with runners in scoring position
AS A SOPHOMORE (2014):
 - Batted .239 (22-for-92, .274 vs. Pac-12) with two doubles, a triple and 13 RBI
 - Was 7-for-12 (.583) with five RBI March 28-30 vs. Utah, including a career-high three RBI March 30
 - Was 8-for-25 (.320) with runners in scoring position
 
AS A REDSHIRT FRESHMAN (2013):
- Batted .276 (45-for-163, .333 vs. Pac-12) with three doubles and 13 RBI in 50 games and 44 starts- Had a career-high nine game hitting streak from March 22-April 5 (10-for-30, .333, 2-2B, three RBI)
 - Was 3-for-4 with two RBI May 19 vs. Stanford
- Went 3-for-5 in first collegiate game, including scoring the winning run Feb. 15 vs. Michigan
 - Had the game-winning RBI in the bottom of the ninth in Cal’s 2-1 win Feb. 17 over Michigan
HIGH SCHOOL/PERSONAL:
 - Redshirted during the 2012 season
 - At Jesuit High School had a team-high .468 batting average as a junior and was a two-time team MVP
 - Helped his team to two Delta River League titles and the North Sub Section Championship in 2011
 - Was a member of the Optimist Team Sacramento 2011 as well
 - Majoring in American studies
 - Parents are Chris and Jacqui Celsi
 - Both grandparents, Mike and Donna Giddings, graduated from Cal in 1955, and Mike Giddings played football for the Golden Bears
 - Born June 18, 1993 in Mountain View, Calif.
CAREER BESTS
Most Hits: 4, twice, last time March 6, 2016 at Texas (4-for-6, 4 RBI)
Most Runs: 2, nine times, last time Feb. 28, 2016 vs. Purdue
Most RBI: 8, March 6, 2015 vs. Chicago State (3-for-5, 2 HR's)
Career Grand Slams: One, March 6, 2015 vs. Chicago State
Longest Hitting Streak: 9, March 22-April 5, 2013 (10-for-30, .333, 2-2B, three RBI)
Celsi’s Career Statistics
| YEAR | AVG. | G | AB | R | H | RBI | 2B | 3B | HR | BB | SO | SB | 
| 2013 | .276 | 50 | 163 | 23 | 45 | 13 | 3 | 0 | 0 | 11 | 25 | 1 | 
| 2014 | .239 | 38 | 92 | 12 | 22 | 13 | 2 | 1 | 0 | 10 | 13 | 6 | 
| 2015 | .278 | 47 | 162 | 16 | 45 | 31 | 5 | 0 | 3 | 10 | 27 | 4 | 
| 2016 | .308 | 17 | 65 | 8 | 20 | 8 | 4 | 1 | 0 | 7 | 15 | 3 | 
| Total | .274 | 152 | 482 | 59 | 132 | 65 | 14 | 2 | 3 | 38 | 80 | 14 |