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

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

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 43.5 27.4 22.7 6.3 41.6 37.9 20.5 4.1 31.5 26.5 22.4 6.3 8.8 5.1
Player 42.7 27.7 24.3 5.3 41.9 38.1 20.0 4.0 31.2 24.7 23.3 6.9 9.7 5.8
MLB 44.4 23.8 24.7 7.1 37.2 37.5 25.2 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 -0.3 -1 527 25.6 166 .230 .459 .327 31.0 32.5 35.1 .224 .464 .331 40.8
2024 Sinker -1.0 -4 425 20.7 92 .244 .346 .323 29.7 25.0 35.4 .204 .274 .282 30.9
2024 Slider -1.1 -4 401 19.5 82 .195 .312 .248 41.9 39.0 23.4 .196 .362 .265 44.4
2024 Changeup -1.5 -3 194 9.4 52 .188 .313 .250 43.4 36.5 28.8 .173 .234 .216 17.2
2024 Curveball -2.2 -4 184 9.0 51 .180 .240 .194 43.5 45.1 33.8 .167 .258 .195 22.2
2024 Sweeper -2.0 -3 136 6.6 46 .182 .409 .251 29.5 34.8 27.6 .181 .298 .219 44.8
2024 Cutter -2.3 -3 117 5.7 33 .310 .379 .319 36.1 21.2 33.3 .294 .477 .350 54.2
2024 Split-Finger -4.8 -3 53 2.6 18 .063 .063 .089 60.0 61.1 45.8 .040 .059 .100 33.3
2024 Slurve -2.6 0 14 0.7 5 .000 .000 .000 54.5 60.0 75.0 .011 .030 .016 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 4 211 18.3 48 .261 .500 .335 45.5 31.3 22.1 .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 52 4.5 15 .200 .667 .350 33.3 40.0 27.3 .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.

Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2023 298 1,155 1 -4 3 6 5
2024 547 2,055 -13 -25 8 7 -23
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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
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 15.4 2 6 6 10 58.8
Player 23.5 31 27.3 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 18 14 16 14 15 16 14 12 14 14 16 17 16 16 15 15 14 16 17 17 16 18 17 14 16 15 15 17 14 14
Player 31 28 23 28 27 26 29 24 25 24 25 28 30 26 30 28 25 24 29 32 28 27 34 29 23 26 29 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