Zack Gelof
2B | Bats/Throws: R/R | 6' 2" 205LBS | Age: 25
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 547 497 60 105 17 25 .211 .270 .362 .632
2 Seasons 847 767 100 177 31 39 .231 .294 .412 .706
AVG HR SB OPS
2023 .267 14 14 .841
2024 .211 17 25 .632
2 Seasons .231 31 39 .706
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 2055 317 28 8.8 5.1 89.2 109.1 14.2 34.4 .199 .347 .276 .271 .377 37.2 34.4 6.9
Player 3210 506 49 9.7 5.8 89.4 109.1 13.3 36.0 .218 .382 .305 .293 .395 38.7 31.9 7.6
MLB 7.0 4.8 88.5 122.4 12.3 33.2 .245 .405 .316 .315 .368 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

AIR: Fly Balls + Line Drives + Popups All Batted Balls Batted Ball Breakdown
Season GB % AIR % FB % LD % PU % Pull % Straight % Oppo % Pull GB % Straight GB % Oppo GB % Pull AIR % Straight AIR % Oppo AIR %
2023 41.3 58.7 28.0 27.0 3.7 42.3 38.6 19.0 24.3 15.3 1.6 18.0 23.3 17.5
2024 43.5 56.5 27.4 22.7 6.3 41.6 37.9 20.5 24.6 17.0 1.9 17.0 20.8 18.6
Player 42.7 57.3 27.7 24.3 5.3 41.9 38.1 20.0 24.5 16.4 1.8 17.4 21.7 18.2
MLB 44.4 55.6 23.8 24.7 7.1 37.2 37.5 25.2 20.6 17.8 6.0 16.6 19.7 19.3
! Note: All figures in this table cover the period 2015-present.

Quality of Contact

Season Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2023 3.7 30.7 21.7 24.9 7.9 11.1 7.0
2024 4.1 31.5 26.5 22.4 6.3 8.8 5.1
Player 4.0 31.2 24.7 23.3 6.9 9.7 5.8
MLB 3.9 32.6 24.8 24.4 5.9 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 -0.5 -3 528 25.7 166 .223 .453 .321 31.2 33.1 35.0 .220 .460 .328 41.2
2024 Sinker -1.0 -4 424 20.6 92 .256 .359 .333 29.4 23.9 35.5 .211 .282 .288 30.4
2024 Slider -0.6 -2 398 19.4 83 .192 .308 .245 42.1 39.8 24.3 .189 .352 .258 42.2
2024 Changeup -1.3 -3 194 9.4 52 .188 .313 .250 43.4 36.5 28.8 .173 .234 .216 17.2
2024 Curveball -2.2 -4 178 8.7 49 .188 .250 .202 43.3 44.9 33.3 .173 .266 .201 23.1
2024 Sweeper 0.9 1 143 7.0 47 .178 .400 .246 30.5 34.0 26.7 .185 .304 .223 46.7
2024 Cutter -1.0 -1 119 5.8 33 .310 .379 .319 35.5 21.2 31.8 .294 .477 .350 54.2
2024 Split-Finger -4.2 -2 53 2.6 18 .063 .063 .089 60.0 61.1 45.8 .040 .059 .100 33.3
2024 Slurve -4.9 -1 14 0.7 5 .000 .000 .000 54.5 60.0 75.0 .011 .030 .016 0.0
2023 4-Seam Fastball 3.0 9 306 26.5 81 .265 .691 .443 31.4 33.3 27.6 .228 .531 .377 50.0
2023 Sinker 0.6 1 248 21.5 65 .393 .541 .425 21.4 15.4 27.0 .351 .499 .386 37.3
2023 Slider 0.9 2 210 18.2 49 .277 .511 .347 45.0 30.6 22.1 .232 .424 .293 46.9
2023 Changeup -2.7 -3 131 11.3 39 .139 .222 .196 37.7 23.1 20.0 .239 .312 .273 33.3
2023 Curveball 0.0 0 106 9.2 32 .185 .259 .272 47.9 37.5 34.3 .186 .272 .275 46.7
2023 Cutter -1.0 -1 57 4.9 11 .300 .300 .309 29.6 18.2 22.2 .253 .304 .285 25.0
2023 Sweeper 1.0 1 55 4.8 15 .200 .667 .350 33.3 40.0 27.3 .195 .574 .314 33.3
2023 Split-Finger 0.5 0 30 2.6 5 .200 .800 .400 35.3 20.0 10.0 .284 .847 .465 50.0
2023 Slurve 0.2 0 10 0.9 -- -- -- 33.3 -- 0.0 -- -- -- --
2023 Knuckleball -13.9 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.

Statcast Batting Run Value

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2023 298 1,155 -3 2 3 6 9
2024 547 2,055 -12 -24 10 8 -18
Player 845 3,210 -15 -21 13 -15 -9
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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 2,055 51.4 72.1 73.5 29.7 36.8 43.7 39.9 51.5 36.4 7.2 84.4
Player 3,210 51.0 71.9 73.1 29.4 41.8 44.2 39.1 51.1 35.4 6.8 83.5
MLB 48.7 67.0 82.0 28.5 57.8 42.6 29.9 47.2 25.0 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 80 12 41 42 71
2024 4 2 15 44 2 52 58 52 48 34 1 32 2 42 86 78 11 43 7 49
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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 11.9 2 3 11 4 28.6
2024 24.1 17 15.3 2 6 6 10 58.8
Player 23.5 31 27.2 4 9 17 14 45.2
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Expected Home Runs by Park

Adjusted
Year HR
2023 14 10 9 12 13 11 13 10 13 10 11 12 13 10 14 13 10 10 13 15 11 11 16 12 9 10 14 15 14 13 9
2024 17 17 14 16 14 15 16 14 12 13 14 16 17 16 16 15 15 15 16 17 17 16 18 17 14 16 14 15 17 14 14
Player 31 27 23 28 27 26 29 24 25 23 25 28 30 26 30 28 25 25 29 32 28 27 34 29 23 26 28 30 31 27 23
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 14.2 2.4 ↑
Barrel % 11.1 8.8 -2.3 ↓
Hard Hit % 41.3 37.2 -4.1 ↓
LA Sweet-Spot % 38.6 34.4 -4.2 ↓
xBA .253 .199 -0.054 ↓
BA .267 .211 -0.056 ↓
xwOBA .333 .271 -0.062 ↓
wOBA .357 .276 -0.081 ↓
xSLG .448 .347 -0.101 ↓
SLG .504 .362 -0.142 ↓
K% 27.3 34.4 7.1 ↑
BB% 8.7 6.9 -1.8 ↓
Swing % 50.4 51.5 1.1 ↑
Whiff% 33.7 36.4 2.7 ↑
In Zone % 50.3 51.4 1.1 ↑
Out of Zone % 49.7 48.6 -1.1 ↓
Out of Zone Swing % 28.9 29.7 0.8 ↑
First Pitch Swing % 37.8 39.9 2.1 ↑
First Pitch Strike % 64.2 65.4 1.2 ↑
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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 547 61 11.2 .289 .180
! 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 512 15.6 41.0% 0.4% 324 18.5 5.9% 0.9%
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Statcast Rankings