2025 Baseball Roster
Keljo, Nelson

Jersey Number 36
Nelson Keljo
- Position:
- Left-Handed Pitcher
- B/T:
- L/L
- Height:
- 6-4
- Weight:
- 228
- Class:
- Junior
- Hometown:
- Portland, Ore.
- High School:
- Jesuit
Bio
2025
• Pitched in 17 games, making 11 starts. Finished with a 3-2 record and 4.01 ERA. Struck out 63 in 58 1/3 innings and held opponents to a .213 batting average.
• Earned his second save of the season with three scoreless innings against TCU in the Corvallis Regional (5/31).
• Picked up his first save with three scoreless innings versus Iowa, striking out five (5/10).
• Earned his third win with 4 1/3 scoreless innings of relief at Hawai’i (5/3).
• Scattered three hits and two runs with three strikeouts in four innings in a no decision start at Cal State Fullerton (4/11).
• Worked a career-long six innings, striking out four, for the win against Grand Canyon (3/14).
• Picked up his first win of 2025 after striking out a career-high eight in a career-long five innings versus San Diego (3/7).
• Limited Baylor to three hits and two runs with four strikeouts in four innings in his third start of the season (2/28).
• Scattered two hits and two runs with three strikeouts against No. 2 Virginia (2/21).
• Started and struck out five in four scoreless innings versus Xavier (2/14).
2024
• Made 20 appearances, starting three games. Posted a 3-0 record and 3.98 ERA in 43 innings. Struck out 60 and held opponents to a .259 batting average.
• Struck out four in 2 2/3 innings against Tulane, allowing just one hit (5/31).
• Worked a career-long four innings, limiting Arizona State to just one walk with four strikeouts, for the win (5/23).
• Got the win after tying a season and career high with six strikeouts in three innings at Washington State (5/5).
• Tied a career-high with six strikeouts in a career-long 3 1/3 innings of relief in the series finale versus Oregon (4/28).
• Won his first game of the season after 1 2/3 innings of relief vs. Arizona State, striking out one (4/5).
• Struck out three and limited USC to a hit and a walk in 2 1/3 scoreless innings of relief (3/28).
• Held Washington to a hit and a run with three strikeouts in two innings (3/22).
• Struck out a career-high six in 2 2/3 innings versus North Dakota State (3/1).
• Struck out three in 1 2/3 innings of relief against Minnesota (2/17).
2023
• Pitched in 23 games, making one start, and went 2-0 with a 5.40 ERA. Struck out 32 in 21 2/3 innings.
• Pitched in eight Pac-12 games - all in relief - and finished 1-0 with a 4.50 ERA, Struck out 10 in eight innings.
• Picked up his second win of the season after throwing 1 1/3 innings of scoreless relief at UCLA, striking out two (5/14).
• Worked a season-long 2 1/3 innings against Utah, equaling a season-high with three strikeouts (5/5).
• Struck out one in a scoreless inning of work against Gonzaga (4/11).
• Struck out the side in his only inning of work at Seattle, picking up his first career win (3/29).
• Worked 1 1/3 scoreless innings of relief against Nevada, striking out three (3/15).
• Struck out the side in a scoreless eighth inning against Coppin State (2/25).
Jesuit High School
• Letterwinner for head coach Colin Griffin.
• Played for the Royals at the 2021 Area Code Games.
• Played outfield and designated hitter in addition to pitching at Jesuit High School.
• Guided Jesuit to a 20-4 record as a senior.
• Named First-Team All-Metro at both pitcher and designated hitter as a junior. Also named his team’s most valuable player.
• Posted five wins with a 0.64 earned run average as a junior. Threw two no-hitters and struck out 60.
Personal
• Son of Darci and Kevin Keljo.
• Has one brother, Grady.
• On the Honor Roll at Jesuit High School.
• Chose Oregon State because of “the coaches, the location and I’m a true Beaver fan.”
Keljo’s Career Single-Game Highs
Innings pitched: 6.0, Grand Canyon, Mar 14, 2025
Walks allowed: 5, vs Xavier, Feb 14, 2025
Strikeouts: 8, San Diego, Mar 07, 2025
Batters faced: 24, at CSUN, Apr 17, 2025
Field chances: 2, vs Virginia, Feb 21, 2025 ; at Cal Poly, Mar 21, 2025
Putouts: 1, 4 times
Assists: 2, at Cal Poly, Mar 21, 2025
Runners CS: 1, at Washington, Apr 02, 2023 ; North Dakota State, Mar 01, 2024
• Pitched in 17 games, making 11 starts. Finished with a 3-2 record and 4.01 ERA. Struck out 63 in 58 1/3 innings and held opponents to a .213 batting average.
• Earned his second save of the season with three scoreless innings against TCU in the Corvallis Regional (5/31).
• Picked up his first save with three scoreless innings versus Iowa, striking out five (5/10).
• Earned his third win with 4 1/3 scoreless innings of relief at Hawai’i (5/3).
• Scattered three hits and two runs with three strikeouts in four innings in a no decision start at Cal State Fullerton (4/11).
• Worked a career-long six innings, striking out four, for the win against Grand Canyon (3/14).
• Picked up his first win of 2025 after striking out a career-high eight in a career-long five innings versus San Diego (3/7).
• Limited Baylor to three hits and two runs with four strikeouts in four innings in his third start of the season (2/28).
• Scattered two hits and two runs with three strikeouts against No. 2 Virginia (2/21).
• Started and struck out five in four scoreless innings versus Xavier (2/14).
2024
• Made 20 appearances, starting three games. Posted a 3-0 record and 3.98 ERA in 43 innings. Struck out 60 and held opponents to a .259 batting average.
• Struck out four in 2 2/3 innings against Tulane, allowing just one hit (5/31).
• Worked a career-long four innings, limiting Arizona State to just one walk with four strikeouts, for the win (5/23).
• Got the win after tying a season and career high with six strikeouts in three innings at Washington State (5/5).
• Tied a career-high with six strikeouts in a career-long 3 1/3 innings of relief in the series finale versus Oregon (4/28).
• Won his first game of the season after 1 2/3 innings of relief vs. Arizona State, striking out one (4/5).
• Struck out three and limited USC to a hit and a walk in 2 1/3 scoreless innings of relief (3/28).
• Held Washington to a hit and a run with three strikeouts in two innings (3/22).
• Struck out a career-high six in 2 2/3 innings versus North Dakota State (3/1).
• Struck out three in 1 2/3 innings of relief against Minnesota (2/17).
2023
• Pitched in 23 games, making one start, and went 2-0 with a 5.40 ERA. Struck out 32 in 21 2/3 innings.
• Pitched in eight Pac-12 games - all in relief - and finished 1-0 with a 4.50 ERA, Struck out 10 in eight innings.
• Picked up his second win of the season after throwing 1 1/3 innings of scoreless relief at UCLA, striking out two (5/14).
• Worked a season-long 2 1/3 innings against Utah, equaling a season-high with three strikeouts (5/5).
• Struck out one in a scoreless inning of work against Gonzaga (4/11).
• Struck out the side in his only inning of work at Seattle, picking up his first career win (3/29).
• Worked 1 1/3 scoreless innings of relief against Nevada, striking out three (3/15).
• Struck out the side in a scoreless eighth inning against Coppin State (2/25).
Jesuit High School
• Letterwinner for head coach Colin Griffin.
• Played for the Royals at the 2021 Area Code Games.
• Played outfield and designated hitter in addition to pitching at Jesuit High School.
• Guided Jesuit to a 20-4 record as a senior.
• Named First-Team All-Metro at both pitcher and designated hitter as a junior. Also named his team’s most valuable player.
• Posted five wins with a 0.64 earned run average as a junior. Threw two no-hitters and struck out 60.
Personal
• Son of Darci and Kevin Keljo.
• Has one brother, Grady.
• On the Honor Roll at Jesuit High School.
• Chose Oregon State because of “the coaches, the location and I’m a true Beaver fan.”
Keljo’s Career Single-Game Highs
Innings pitched: 6.0, Grand Canyon, Mar 14, 2025
Walks allowed: 5, vs Xavier, Feb 14, 2025
Strikeouts: 8, San Diego, Mar 07, 2025
Batters faced: 24, at CSUN, Apr 17, 2025
Field chances: 2, vs Virginia, Feb 21, 2025 ; at Cal Poly, Mar 21, 2025
Putouts: 1, 4 times
Assists: 2, at Cal Poly, Mar 21, 2025
Runners CS: 1, at Washington, Apr 02, 2023 ; North Dakota State, Mar 01, 2024
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