Completed Event: Baseball versus Cal State Fullerton on November 8, 2025 ,
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vs Cal State Fullerton
Grand Canyon University Athletics
2024 Baseball Roster
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Jersey Number 36
Alton Gyselman
- Position:
- C
- Ht./Wt.:
- 6-5 / 200
- Class:
- Senior
- B/T:
- R/R
- Hometown:
- Bozeman, Mont.
- HS:
- Bozeman
- Prev School:
- Yavapai / Hawaii
- Major:
- B.S. in Finance and Economics
 |
 Grand Canyon |
2024 | Junior
- Started 47 of GCU's 61 games behind the plate. Did not start GCU's first four games of the season but picked up two hits in his first start vs. Ohio State on Feb. 20 and became the Lopes' primary catcher.
- Named to the All-WAC Defensive Team as a second-team catcher. In 454 chances on the year, committed just two errors and threw 15 runners out stealing, the third-best mark in the WAC.
- With 41 hits, 10 doubles, 29 RBIs and a .339 on-base percentage, was GCU's top catcher offensively since 2018 (min. 30 starts).
- Had 11 multi-hit games on the season including one in the Tucson Regional.
- Laid down nine sacrifice bunts on the season, most on the club, second-most in the WAC, tied for fifth-most in a GCU D-I season and a top-50 mark nationally.
- First Lopes homer — a three-run blast — proved to be the decisive blow in a 5-3 win at Stephen F. Austin on March 9.
- Had the game-winning hit — a two-out, two-strike, two-run single in the top of the ninth — in a road win at Saint Mary's on April 6.
 |
 Hawaii |
Honolulu, Hawaii  |
- Played in 10 games for Hawaii in 2023, making four starts at catcher.
- Drew a walk in his first career start vs. Wright State on Feb. 18.
- First career hit came on a double vs. Nebraska on March 4.
 |
 Yavapai |
Prescott, Ariz.  |
- Played two seasons at Yavapai College in 2021 and 2022.
- Earned second-team all-conference honors as a sophomore in 2022, where he hit .346 with four home runs and 18 RBIs in 29 games.
- Threw out 11 of 26 would-be base stealers.
- Appeared in 34 games as a freshman in 2021, hitting .268 with a home run and 11 RBIs.
 Summer Leagues |
- 2023: Illinois Valley Pistol Shrimp | Prospect League | Peru, Ill. (stats)
- 2022: Illinois Valley Pistol Shrimp | Prospect League | Peru, Ill. (stats)
  Bozeman HS |
Bozeman, Mont. |
- Was the state's MVP in 2020.
- Earned all-state honors as a catcher in 2019 and 2020.
- Earned all-conference recognition as a sophomore in 2018.
- Won back-to-back state championships.
- Played club for Big Sky Baseball Club.
 Personal |
- Parents are Jeff and Erika Gyselman.
- Was born in San Diego, Calif.
- Father, Jeff, played baseball at Portland State from 1991-92. Was drafted three times and ultimately signed after being picked in the 1993 MLB Draft by the Philadelphia Phillies in the 19th round. Played four professional seasons and reached as high as Double-A.
- Mother, Erika (nee Boggio), played volleyball at Portland State from 1989-93. Helped the Vikings to the 1992 D-II national championship. Was an AVCA and Volleyball Magazine All-American in 1992 and 1993.
- Great grandfather, Richard, played for the Boston Braves in 1933 and 1934.
- Off the field, enjoys golfing and fishing.
- Favorite TV show is The Office.
- Favorite pro sports teams are the Seattle Mariners and Seahawks.
- Favorite athletes to watch growing up include Rory McIlroy, Buster Posey and Russell Wilson.
GCU Baseball - WAC Tournament vs. Utah Tech - Highlights
Thursday, May 22
Baseball at Stanford - Barreras' game-winning double
Saturday, May 10
Baseball vs. Arizona (5/6/25) - Yorke homers twice to break record
Wednesday, May 07
GCU Baseball - Eli Paton walk-off single vs. UTA
Saturday, April 26
