Zack Gelof
2B | Bats/Throws: R/R | 6' 2" 205LBS | Age: 24
Draft: 2021 | Rd: 2, #60, Oakland Athletics | Virginia
PA AB R H HR SB AVG OBP SLG OPS
2023 300 270 40 72 14 14 .267 .337 .504 .841
2024 472 428 54 88 16 21 .206 .268 .367 .635
2 Seasons 772 698 94 160 30 35 .229 .295 .420 .715
AVG HR SB OPS
2023 .267 14 14 .841
2024 .206 16 21 .635
2 Seasons .229 30 35 .715
MLB Percentile Rankings
Hits Spray Chart
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Statcast Batting Statistics

Season Age Pitches Batted
Balls		 Barrels Barrel % Barrel/PA Exit
Velocity		 Max EV Launch
Angle		 LA Sweet-
Spot %		 XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB%
2023 23 1155 189 21 11.1 7.0 89.8 108.5 11.8 38.6 .253 .448 .357 .333 .424 41.3 27.3 8.7
2024 24 1772 268 25 9.3 5.3 89.2 109.1 14.7 34.0 .196 .354 .277 .273 .380 36.2 34.6 7.3
Player 2927 457 46 10.1 6.0 89.4 109.1 13.5 35.9 .218 .390 .309 .297 .398 38.3 31.8 7.8
MLB 7.0 4.8 88.5 122.4 12.3 33.2 .245 .406 .316 .315 .369 36.5 22.2 8.4
! Note: All figures in this table cover the period 2015-present.




Fastball: 4 Seam, 2 Seam, Cutter, Sinker. Offspeed: Split, Change, Fork, Screw. Breaking: Slider, Curve, Knuckle, Sweeper, Slurve, Other
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Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2023 41.3 28.0 27.0 3.7 42.3 38.6 19.0 3.7 30.7 21.7 24.9 7.9 11.1 7.0
2024 43.7 28.0 21.3 7.1 41.0 38.1 20.9 4.1 32.1 27.2 20.9 6.0 9.3 5.3
Player 42.7 28.0 23.6 5.7 41.6 38.3 20.1 3.9 31.5 24.9 22.5 6.8 10.1 6.0
MLB 44.5 23.7 24.8 7.1 37.2 37.5 25.2 3.9 32.7 24.8 24.4 5.8 7.0 4.8
! Note: All figures in this table cover the period 2015-present.

Run Values by Pitch Type

Year Pitch Type Team RV/100 Run Value Pitches % PA BA SLG wOBA Whiff% K% PutAway % xBA xSLG xwOBA Hard Hit %
2024 4-Seam Fastball -0.3 -1 437 24.7 136 .221 .459 .321 31.5 33.1 35.2 .220 .471 .330 40.0
2024 Sinker -0.4 -2 387 21.8 82 .246 .362 .332 28.7 24.4 35.1 .202 .280 .285 28.6
2024 Slider -1.2 -4 340 19.2 71 .182 .333 .253 42.2 42.3 26.1 .189 .387 .274 47.2
2024 Changeup -1.3 -2 180 10.2 48 .182 .295 .245 44.7 37.5 29.0 .167 .233 .217 15.4
2024 Curveball -2.2 -4 164 9.3 46 .178 .244 .196 45.7 47.8 36.1 .156 .244 .183 17.4
2024 Sweeper -1.8 -2 117 6.6 43 .195 .439 .269 27.5 32.6 28.0 .191 .313 .231 46.4
2024 Cutter -3.3 -3 95 5.4 26 .273 .318 .286 36.7 19.2 29.4 .298 .476 .353 52.6
2024 Split-Finger -3.1 -1 37 2.1 10 .000 .000 .070 58.8 60.0 35.3 .030 .061 .104 33.3
2024 Slurve -1.7 0 11 0.6 4 .000 .000 .000 44.4 50.0 66.7 .012 .045 .023 0.0
2023 4-Seam Fastball 0.8 3 317 27.4 83 .271 .686 .443 30.5 32.5 26.7 .236 .534 .380 47.7
2023 Sinker 0.7 2 237 20.5 63 .390 .542 .424 21.7 15.9 29.4 .346 .494 .382 38.8
2023 Slider 1.9 4 214 18.5 48 .261 .500 .335 45.0 31.3 21.7 .225 .419 .289 48.4
2023 Changeup -1.5 -2 131 11.3 39 .139 .222 .196 37.7 23.1 20.0 .239 .312 .273 33.3
2023 Curveball -0.1 0 106 9.2 32 .185 .259 .272 47.9 37.5 34.3 .186 .272 .275 46.7
2023 Cutter -2.2 -1 57 4.9 11 .300 .300 .309 29.6 18.2 22.2 .253 .304 .285 25.0
2023 Sweeper -0.7 0 49 4.2 15 .200 .667 .350 34.5 40.0 28.6 .195 .574 .314 33.3
2023 Split-Finger 1.4 0 32 2.8 6 .333 .833 .483 33.3 16.7 10.0 .326 .814 .476 40.0
2023 Slurve -0.4 0 10 0.9 -- -- -- 33.3 -- 0.0 -- -- -- --
2023 Knuckleball -16.9 0 2 0.2 1 .000 .000 .000 0.0 0.0 0.0 .049 .053 .050 0.0
! Note: Years are in reverse order.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2023 298 1,155 1 -4 3 6 5
2024 468 1,772 -12 -20 8 6 -18
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Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Swing % Swing % Whiff % Meatball % Meatball Swing %
2023 1,155 50.3 71.6 72.4 28.9 50.6 45.1 37.8 50.4 33.7 6.1 81.7
2024 1,772 51.2 71.5 72.9 28.4 38.4 44.2 38.5 50.5 36.2 6.8 86.7
Player 2,927 50.9 71.5 72.7 28.6 43.3 44.6 38.2 50.4 35.2 6.5 84.8
MLB 48.7 67.0 82.0 28.5 57.8 42.6 29.9 47.2 24.9 7.3 76.3
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year xwOBA xBA xSLG xISO xOBP Brl Brl% EV Max EV Hard
Hit% 		K% BB% Whiff% Chase
Rate 		Speed OAA Arm
Strength 		Bat
Speed 		Squared-up
Rate 		Swing
Length
2023 39 91 81 12
2024 4 1 18 48 2 52 62 52 49 26 1 40 2 49 86 77 11 46 8 51
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Expected Home Runs

Adjusted
Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2023 22.7 14 13.0 1 2 11 5 35.7
2024 24.2 16 15.4 1 6 6 10 62.5
Player 23.5 30 28.4 2 8 17 15 50.0
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Expected Home Runs by Park

Adjusted
Year HR
2023 14 11 10 13 14 12 14 12 14 11 12 13 15 11 15 14 12 12 14 16 12 12 18 13 10 11 15 16 15 14 10
2024 16 18 14 16 14 15 16 14 12 14 14 17 17 15 16 15 15 14 16 17 16 17 18 17 14 16 15 15 17 14 14
Player 30 29 24 29 28 27 30 26 26 25 26 30 32 26 31 29 27 26 30 33 28 29 36 30 24 27 30 31 32 28 24
Note: xHR tells how many of this player's home runs would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Year to Year Changes

Metric 2023 2024 +/-  
Exit Velocity 89.8 89.2 -0.6 ↓
Launch Angle 11.8 14.7 2.9 ↑
Barrel % 11.1 9.3 -1.8 ↓
Hard Hit % 41.3 36.2 -5.1 ↓
LA Sweet-Spot % 38.6 34.0 -4.6 ↓
xBA .253 .196 -0.057 ↓
BA .267 .205 -0.062 ↓
xwOBA .333 .273 -0.060 ↓
wOBA .357 .277 -0.080 ↓
xSLG .448 .354 -0.094 ↓
SLG .504 .368 -0.136 ↓
K% 27.3 34.6 7.3 ↑
BB% 8.7 7.3 -1.4 ↓
Swing % 50.4 50.5 0.1 ↑
Whiff% 33.7 36.2 2.5 ↑
In Zone % 50.3 51.2 0.9 ↑
Out of Zone % 49.7 48.8 -0.9 ↓
Out of Zone Swing % 28.9 28.4 -0.5 ↓
First Pitch Swing % 37.8 38.5 0.7 ↑
First Pitch Strike % 64.2 64.7 0.5 ↑
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Statcast Fielder Positioning

wOBA
SeasonAlignment TypeBat SidePAShifts/Shades%No Shift/ShadeShift/Shade
2023 Shades R 298 29 9.7 .363 .287
2024 Shades R 466 53 11.4 .295 .152
! Note: Shifts are through the 2022 season, Shaded starting from the 2023 season, Shift: three or more infielders are on the same side of second base, Shade: positioned outside of their typical responsible slices of the field.
Learn more about how positioning is defined here

Pitch Tempo

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2023 295 16.5 31.9% 0.0% 176 19.5 1.1% 1.7%
2024 445 15.6 42.5% 0.2% 292 18.7 5.8% 1.0%
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Statcast Rankings