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2026 Baseball Roster

Trenton Hernandez/CCAA
Kait Ramos/CSUMB Athletics

25 Xander Sielken

  • Height 5-10
  • Weight 190
  • Class Junior
  • Hometown Ewa Beach, O‘ahu, Hawai'i
  • Highschool Saint Louis School

Biography

2026 - CAL STATE MONTEREY BAY
  • All-CCAA Honorable Mention.
  • Cal Hope Courage Award winner.
  • Started all 55 games.
  • Hit .317 with a .769 OPS.
  • Recorded 71 hits, including 12 doubles.
  • Scored 45 runs and drove in 38 RBIs.
  • Posted a .371 slugging percentage and .398 on-base percentage.
  • Drew 22 walks and was hit by 11 pitches.
  • Tallied 83 total bases.
  • Went 1-for-3 in stolen base attempts.
  • Opened the season with a two-hit performance against Point Loma on Jan. 30.
  • Went 2-for-4 with a double and two runs scored against Azusa Pacific on Feb. 5.
  • Recorded a two-hit, two-RBI game against Azusa Pacific on Feb. 6.
  • Collected three hits, including a double, and drove in a run against Northwest Nazarene on Feb. 12.
  • Went 2-for-4 with two RBIs against Northwest Nazarene on Feb. 13.
  • Posted a three-hit game with a double and RBI against Fresno Pacific on Feb. 27.
  • Doubled in back-to-back games against Fresno Pacific on Feb. 28.
  • Scored three runs against CSULA on March 6.
  • Scored three more times against the Golden Eagles on March 8.
  • Recorded multi-hit games against Dominguez Hills on March 13 and March 14.
  • Went 3-for-3 with two RBIs against Western Oregon on March 21.
  • Collected two hits and two RBIs against East Bay on March 28.
  • Doubled against the Pioneers on March 29.
  • Scored three runs and drove in two against Cal Poly Pomona on April 2.
  • Recorded four RBIs against San Marcos on April 10.
  • Went 3-for-5 with two doubles, four runs scored, and an RBI against the Cougars on April 11.
  • Posted a three-hit, three-RBI game against San Bernardino on April 18.
  • Drove in two runs against the Yotes on April 19.
  • Recorded a two-hit, three-RBI game against Chico State on April 26.
  • Collected a three-hit game with a double against Northwest Nazarene on May 15.
  • Tallied 20 multi-hit and 10 multi-RBI games.
  • Sported a 22-game reach base streak.
WEST VALLEY COLLEGE
  • Spent two seasons with the Vikings, culminating in a State Runner-Up finish.
  • Earned Academic All-State recognition.
  • Batted .376 across 17 games.
  • Helped lead West Valley to a No. 2 ranking in the state of California.
  • Posted a .352 batting average in his debut season with West Valley.
UNIVERSITY OF HAWAI’I
2023 (Freshman)
  • Utilized a redshirt.
HIGH SCHOOL
  • The top-ranked third baseman in Hawai‘i in the Class of 2022 and No. 14 player overall in the state according to Perfect Game.
  • Earned first-team all-state recognition from the Star Advertiser as a senior.
  • Also named second-team All-Hawai‘i by ScoringLive.
  • A first-team All-ILH selection as a utility player.
  • Hit .348 with three doubles, 10 RBIs and 16 runs scored.
  • Also went 3-1 on the mound with a 2.79 ERA and 17 strikeouts over 20.1 innings.
  • Batted .500 with a double, triple and 13 RBIs as a junior in 2021, helping lead the Crusaders to an ILH title.
PERSONAL
  • Enjoys fishing, bodyboarding, cooking, baking, and cutting hair.

Statistics

Season Statistics

Season Statistics

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Career Statistics

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