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 63 56 9 12 2 3 .214 .290 .393 .683
2 Seasons 363 326 49 84 16 17 .258 .329 .485 .814
AVG HR SB OPS
2023 .267 14 14 .841
2024 .214 2 3 .683
2 Seasons .258 16 17 .814
MLB Percentile Rankings
Hits Spray Chart

Statcast Batting Statistics

Season Age Pitches Batted
Balls
Barrels Barrel % Barrel/PA Exit
Velocity
Max EV Launch
Angle
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 24 228 37 3 8.1 4.9 88.8 108.3 5.6 32.4 .232 .399 .300 .311 .400 29.7 29.5 8.2
Player 1383 226 24 10.6 6.6 89.6 108.5 10.8 37.6 .250 .440 .347 .330 .420 39.4 27.7 8.6
MLB 6.9 4.7 88.4 122.4 12.2 33.1 .245 .406 .316 .315 .369 36.3 22.1 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 62.2 16.2 18.9 2.7 32.4 40.5 27.0 5.4 48.6 13.5 18.9 5.4 8.1 4.9
Player 44.7 26.1 25.7 3.5 40.7 38.9 20.4 4.0 33.6 20.4 23.9 7.5 10.6 6.6
MLB 44.6 23.5 24.8 7.0 37.0 37.5 25.3 3.9 32.8 24.7 24.4 5.8 6.9 4.7
! 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 7.5 5 68 29.8 17 .429 1.071 .685 20.7 17.6 15.0 .347 .776 .507 36.4
2024 Slider -1.8 -1 44 19.3 13 .250 .333 .288 31.8 30.8 25.0 .237 .422 .312 37.5
2024 Changeup -5.5 -2 31 13.6 8 .000 .000 .000 58.8 37.5 30.0 .103 .114 .094 20.0
2024 Sinker -2.7 -1 28 12.3 5 .000 .000 .140 22.2 20.0 50.0 .163 .174 .258 66.7
2024 Curveball -6.1 -2 26 11.4 9 .111 .111 .100 53.3 44.4 40.0 .178 .224 .175 20.0
2024 Split-Finger 0.9 0 15 6.6 3 .000 .000 .233 60.0 66.7 33.3 -- -- .233 --
2024 Sweeper -12.1 -1 8 3.5 5 .200 .200 .180 16.7 20.0 33.3 .347 .395 .325 0.0
2024 Cutter 1.6 0 8 3.5 1 -- -- -- 66.7 0.0 0.0 -- -- -- 0.0
2023 4-Seam Fastball 0.8 3 318 27.5 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 1.8 4 215 18.6 49 .255 .489 .329 44.6 30.6 21.7 .230 .422 .292 46.9
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 -0.2 0 104 9.0 32 .185 .259 .272 47.9 37.5 34.3 .186 .272 .275 46.7
2023 Cutter -2.1 -1 58 5.0 11 .300 .300 .309 29.6 18.2 22.2 .253 .304 .285 25.0
2023 Sweeper 0.0 0 50 4.3 14 .214 .714 .375 35.7 42.9 26.1 .177 .576 .305 37.5
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 -1.0 0 8 0.7 -- -- -- 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 61 228 -1 -2 2 1 0
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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 228 52.6 66.7 70.0 24.1 42.3 43.9 26.2 46.5 36.8 6.6 73.3
Player 1,383 50.7 70.8 72.0 28.2 49.5 44.9 35.8 49.7 34.2 6.2 80.2
MLB 48.6 67.0 82.0 28.4 58.0 42.6 29.7 47.1 24.8 7.3 76.1
! 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
2023 39 91 81 12
2024 43 35 54 61 38 58 55 49 61 19 21 43 9 67 83 86
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Expected Home Runs

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 23.9 2 2.0 0 1 1 1 50.0
Player 22.9 16 15.1 1 3 12 6 37.5

Expected Home Runs by Park

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 2 2 2 3 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1
Player 16 13 12 16 16 14 16 14 16 13 14 16 17 13 17 16 14 14 16 18 14 14 20 15 12 13 17 18 17 16 11
! Note: This tells how many of this player's home runs would have been out of other stadiums. This accounts for different wall heights, distances and environmental effects. For these purposes, the 2020 Blue Jays home field was still Rogers Centre, not Sahlen Field.
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Year to Year Changes

Metric 2023 2024 +/-  
Exit Velocity 89.8 88.8 -1.0
Launch Angle 11.8 5.6 -6.2
Barrel % 11.1 8.1 -3.0
Hard Hit % 41.3 29.7 -11.6
Sweet Spot % 38.6 32.4 -6.2
xBA .253 .232 -0.021
BA .267 .204 -0.063
xwOBA .333 .311 -0.022
wOBA .357 .300 -0.057
xSLG .448 .399 -0.049
SLG .504 .389 -0.115
K% 27.3 29.5 2.2
BB% 8.7 8.2 -0.5
Swing % 50.4 46.5 -3.9
Whiff% 33.7 36.8 3.1
In Zone % 50.3 52.6 2.3
Out of Zone % 49.7 47.4 -2.3
Out of Zone Swing % 28.9 24.1 -4.8
First Pitch Swing % 37.8 26.2 -11.6
First Pitch Strike % 64.2 70.5 6.3
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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 61 0 0.0 .300
! 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 41 15.4 43.9% 0.0% 30 18.9 6.7% 0.0%
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