Zack Gelof
Second Baseman · Career Stats, Bio & Records (2023-2026)
Zack Gelof is a second baseman who has played in Major League Baseball since 2023 for the Athletics and the Athletics, a span of 4 seasons. In 348 career games, he has hit .235 with 294 hits, 55 home runs, and 143 RBI.
- AVG (Batting Average):
- Hits divided by at bats. .300 is the traditional mark of an excellent hitter.
- HR (Home Runs):
- Hits on which the batter circled the bases and scored, almost always by clearing the outfield fence.
- RBI (Runs Batted In):
- Runs that scored as a direct result of a batter's plate appearance.
- OPS (On-Base Plus Slugging):
- On-base percentage plus slugging percentage, the quickest single summary of offensive value. .900 or better is star-level.
Data updated
PIV is computed through the 2025 season, so it does not yet include 2026. Every other career total on this page includes 2026 through October 24, 2026.
- Position
- Second Baseman
- Bats / Throws
- R / R
- Height / Weight
- 6'2" / 205 lb
- MLB Debut
- 2023-07-14
- Jersey
- #20
Full name: Zachary Dunn Gelof
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 348 | 1,253 | 188 | 294 | 59 | 5 | 55 | 143 | 56 | 102 | 423 | .235 | .298 | .421 | .719 | -722 |
Career AVG .235 vs. league average .245 across their career seasons — near league average.
Career OBP .298 vs. league average .316 across their career seasons — 5.8% below league average.
Career SLG .421 vs. league average .404 across their career seasons — near league average.
Career OPS .719 vs. league average .721 across their career seasons — near league average.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | OAK | AL | 69 | 270 | 40 | 72 | 20 | 1 | 14 | 32 | 14 | 26 | 82 | .267 | .248 (+7%) | .320 (+5%) | .414 (+22%) | .734 (+14%) | 673.8 |
| 2024 | OAK | AL | 138 | 497 | 60 | 105 | 20 | 2 | 17 | 49 | 25 | 38 | 188 | .211 | .243 (-13%) | .312 (-13%) | .399 (-9%) | .711 (-11%) | -942.9 |
| 2025 | ATH | AL | 30 | 92 | 12 | 16 | 3 | 0 | 2 | 7 | 1 | 7 | 46 | .174 | .245 (-29%) | .315 (-27%) | .403 (-33%) | .718 (-30%) | -452.7 |
| 2026 | ATH | AL | 111 | 394 | 76 | 101 | 16 | 2 | 22 | 55 | 16 | 31 | 107 | .256 | .243 (+5%) | .318 (+1%) | .400 (+19%) | .718 (+11%) | 0 |
| Career · 4 seasons | 348 | 1,253 | 188 | 294 | 59 | 5 | 55 | 143 | 56 | 102 | 423 | .235 | — | — | — | — | -722 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (237 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 125 | 439 | 53 | 94 | 12 | 36 | .214 |
| Away | 112 | 420 | 59 | 99 | 21 | 52 | .236 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-19 | OAK | PIT | W | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 2025-09-18 | OAK | BOS | W | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2025-09-17 | OAK | BOS | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-09-16 | OAK | BOS | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-09-14 | OAK | CIN | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-09-13 | OAK | CIN | W | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 2025-09-12 | OAK | CIN | W | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2025-09-10 | OAK | BOS | W | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| 2025-09-09 | OAK | BOS | L | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 |
| 2025-09-08 | OAK | BOS | L | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Second Base | 237 |
Awards & Honors
| Year | Award | Notes |
|---|---|---|
| 2023 | Rookie of the Month | August |
Zack Gelof: the record in brief
Zack Gelof made a major league debut on July 14, 2023 and is still active, so the totals on this page keep changing. The team column moves through the Oakland Athletics (2023 to 2024) and the Athletics (2025 to 2026). Gelof, born on October 19, 1999, in Rehobeth Beach, DE, USA, is listed as a second baseman and both batted and threw right-handed. Gelof's listed size is 6-foot-2 and 205 pounds. The given name on file is Zachary Dunn Gelof.
Gelof has 294 hits from 1,253 at bats in 348 games, which works out to .235; the totals also include 55 homers, 143 RBI, and 56 stolen bases. On-base and slugging figures of .298 and .421 give Gelof a career OPS of .719. Gelof hit .235 while the league hit .245 over the same span, a figure close to average. Gelof's most home runs in a season came in 2026, when the total reached 22 for the Athletics. The highest hit total in a season was 105, in 2024. On the bases, the high point was 25 steals in 2024.
Frequently Asked Questions about Zack Gelof
- What years did Zack Gelof play?
- Zack Gelof played in Major League Baseball from 2023 to 2026.
- Was Zack Gelof a pitcher?
- No. Zack Gelof was a position player (Second Baseman).
- How many home runs did Zack Gelof hit?
- Zack Gelof hit 55 career home runs with 294 hits.
- What teams has Zack Gelof played for?
- Zack Gelof has played for 2 teams: the Athletics (2023–2025) and the Athletics (2026).
- What are Zack Gelof's career stats?
- In 348 games, Zack Gelof has 294 hits, 55 home runs, 143 RBI, 188 runs, and 56 stolen bases, with a .235 batting average.
- What position does Zack Gelof play?
- Zack Gelof plays primarily as a second baseman, the position where he has appeared in the most games.
- How tall is Zack Gelof and how much does he weigh?
- Zack Gelof is listed at 6 feet 2 inches and 205 pounds.
- What number does Zack Gelof wear?
- Zack Gelof wears number 20, according to MLB's 2026 roster data.
- How many home runs has Zack Gelof hit each season?
- Zack Gelof's home runs by season: 14 in 2023, 17 in 2024, 2 in 2025, and 22 in 2026. His most in one season was 22, in 2026.
- What was Zack Gelof's career batting average?
- Zack Gelof batted .235 over his career, with 294 hits in 1,253 at bats.
- How many RBI did Zack Gelof have?
- Zack Gelof drove in 143 runs in his career.