Biography
Pronunciation
guard-e-an-SICK
Career (California, 2024-25)
23 G/0 GS, 1-0, 5.94, 16.2 IP, 14 SO
Career Highs: IP - 2.1, vs Boston College (4/17/25); SO - 2, twice, last vs Nevada (2/17/25); Pitches - 36, vs Boston College (4/17/25)
*Career stats and career highs include four-year school California only
- Made 23 appearances all out of the bullpen and tossed 16.2 innings with 14 strikeouts
- Allowed 13 runs (11 earned), 13 hits, 11 walks and four hit batsmen
- Opponents had a .210 batting average against him
At Cal
2025 (Sr.)
7 G/0 GS, 0-0, 5.87, 7.2 IP, 6 SO
- Pitched in seven games all out of the bullpen in 2025 (0-0, 5.87 ERA, 7.2 IP, 6 SO) including his final outing May 17 in the regular-season finale against Boston College when he posted career highs with 2.1 innings and 36 pitches while not allowing a run or a hit and only two walks
- Also had scoreless outings February 17 against Nevada (ND, 1.2 IP, 2 SO), March 16 against Virginia (1.0 IP, 1 H) and April 5 against Clemson (1.0 IP, 1 BB, 2 SO)
2024 (Jr.)
16 G/0 GS, 1-0, 6.00, 9.0 IP, 8 SO
Season Highs: IP - 2.0, vs. Utah (3/24); SO - 2, at San Francisco (3/19); Pitches - 29, vs. Utah (3/24)
- Registered a 1-1 record and a 6.00 earned run average in 16 appearances with all his outings out of the bullpen
- Struck out eight batters in 9.0 innings of work, while allowing eight hits, eight runs (six earned) and five walks
- Had a season-long stretch of five straight games in which he did not allow a run or an earned run from Mar. 23 - Apr. 10 then went four straight contests without giving up an earned run from Mar. 28 - Apr. 9
- Did not pitch again after an Apr. 16 appearance at San Francisco
- Inherited 17 runners and allowed only six to score
- Held lefties to a .111 opponents batting average.
- Held opponents to a .222 batting average including a .191 average mark with two outs
Notable Games
- Credited with a win in his Cal and four-year collegiate debut by striking out the only batter he faced in a 3-1 win vs. Georgetown on Feb. 17
- Got both batters he faced in the third inning of Cal's 8-4 win over Connecticut on Feb. 23
- Struck out both batters he faced in an 11-3 win at San Francisco on Mar. 19
- Pitched a season-high 2.0 innings and threw a season-most 29 pitches against Utah on Mar. 24
Other
Collegiate Summer League
2024 (Pulaski River Turtles, Appalachian League)
- Was 0-1 with an 11.57 ERA in three appearances with one start
- Struck out six in 4.2 innings for an average of 11.57 strikeouts per nine frames, while allowing seven hits, six runs (six earned) and two walks
Delta College
2023 (So.)
19 G/0 GS, 1-2, 4.56, 23.2 IP, 38 SO
- Was 1-2 with a 4.56 ERA over 19 appearances all out of the bullpen
- Struck out 38 in 23.2 innings pitched.
- Allowed 17 runs (12 earned), 22 hits and 11 walks
Los Medanos College
2022 (Fr.)
19 G/0 GS, 2-4, 2.55, 35.1 IP, 42 SO
- Was 2-4 with a team-high eight saves and a 2.55 ERA over 19 appearances all out of the bullpen
- Struck out 42 in 35.1 innings pitched for average of 10.70 strikeouts per nine innings
- Allowed 20 runs (10 earned), 23 hits and 16 walks
Class Of 2022 (Heritage HS)
- Three-time letterwinner
Personal
- Full name is Jacob Alexander Guardiancic
- Born July 6, 2002 in Antioch, Calif.
- Parents are Rob Guardiancic and Karin Valencia
Last Updated
May 25, 2025
