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 493 448 56 95 17 23 .212 .273 .375 .648
2 Seasons 793 718 96 167 31 37 .233 .297 .423 .720
AVG HR SB OPS
2023 .267 14 14 .841
2024 .212 17 23 .648
2 Seasons .233 31 37 .720
MLB Percentile Rankings
Hits Spray Chart

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 1844 282 26 9.2 5.3 89.2 109.1 14.0 34.4 .200 .358 .280 .275 .383 36.5 34.4 7.2
Player 2999 471 47 10.0 6.0 89.4 109.1 13.1 36.1 .220 .392 .309 .297 .399 38.4 31.7 7.7
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 44.0 27.3 22.0 6.7 41.5 37.9 20.6 3.9 32.6 26.2 21.6 6.0 9.2 5.3
Player 42.9 27.6 24.0 5.5 41.8 38.2 20.0 3.8 31.8 24.4 22.9 6.8 10.0 6.0
MLB 44.5 23.7 24.7 7.1 37.2 37.5 25.2 3.9 32.7 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 0.2 1 450 24.4 143 .242 .492 .344 30.6 31.5 34.1 .234 .497 .346 40.7
2024 Sinker -0.7 -3 407 22.1 86 .247 .356 .327 29.5 25.6 35.5 .202 .277 .281 29.4
2024 Slider -1.4 -5 355 19.3 74 .174 .319 .243 43.7 43.2 26.9 .188 .384 .271 48.6
2024 Changeup -1.5 -3 182 9.9 49 .178 .289 .240 44.8 36.7 29.0 .172 .239 .221 18.5
2024 Curveball -2.5 -4 173 9.4 49 .167 .229 .184 45.5 46.9 35.4 .153 .235 .177 16.0
2024 Sweeper -2.1 -2 121 6.6 44 .190 .429 .263 27.1 31.8 28.0 .189 .308 .228 44.8
2024 Cutter -3.0 -3 100 5.4 26 .273 .318 .286 38.0 19.2 27.8 .298 .476 .353 52.6
2024 Split-Finger -2.1 -1 38 2.1 11 .100 .100 .145 55.6 54.5 35.3 .052 .080 .115 25.0
2024 Slurve -2.5 0 14 0.8 5 .000 .000 .000 54.5 60.0 75.0 .009 .034 .018 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 489 1,844 -10 -22 8 6 -19
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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 1,844 51.2 71.7 73.1 29.0 37.2 44.0 39.1 50.9 36.6 6.9 87.5
Player 2,999 50.9 71.7 72.8 29.0 42.4 44.4 38.6 50.7 35.5 6.6 85.4
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 5 2 18 47 2 51 61 50 49 27 1 40 2 46 86 73 11 43 7 52
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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 24.1 17 16.4 1 5 6 11 64.7
Player 23.5 31 29.4 2 7 17 16 51.6
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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 17 19 15 17 15 16 17 15 13 15 15 17 18 16 17 16 16 15 17 18 17 17 19 18 15 17 16 16 19 15 15
Player 31 30 25 30 29 28 31 27 27 26 27 30 33 27 32 30 28 27 31 34 29 29 37 31 25 28 31 32 34 29 25
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 14.0 2.2
Barrel % 11.1 9.2 -1.9
Hard Hit % 41.3 36.5 -4.8
LA Sweet-Spot % 38.6 34.4 -4.2
xBA .253 .200 -0.053
BA .267 .209 -0.058
xwOBA .333 .275 -0.058
wOBA .357 .280 -0.077
xSLG .448 .358 -0.090
SLG .504 .372 -0.132
K% 27.3 34.4 7.1
BB% 8.7 7.2 -1.5
Swing % 50.4 50.9 0.5
Whiff% 33.7 36.6 2.9
In Zone % 50.3 51.2 0.9
Out of Zone % 49.7 48.8 -0.9
Out of Zone Swing % 28.9 29.0 0.1
First Pitch Swing % 37.8 39.1 1.3
First Pitch Strike % 64.2 65.2 1.0
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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 487 59 12.1 .295 .186
! 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