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 123 112 12 21 3 4 .188 .254 .313 .567
2 Seasons 423 382 52 93 17 18 .243 .313 .448 .761
AVG HR SB OPS
2023 .267 14 14 .841
2024 .188 3 4 .567
2 Seasons .243 17 18 .761
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 24 446 68 5 7.4 4.2 89.7 108.3 7.4 27.9 .201 .342 .251 .266 .376 38.2 35.3 6.7
Player 1601 257 26 10.1 6.2 89.7 108.5 10.6 35.8 .238 .418 .327 .314 .411 40.5 29.6 8.1
MLB 6.9 4.7 88.5 122.4 12.2 33.1 .245 .406 .316 .315 .369 36.4 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 58.8 20.6 17.6 2.9 35.3 38.2 26.5 2.9 45.6 16.2 20.6 5.9 7.4 4.2
Player 45.9 26.1 24.5 3.5 40.5 38.5 21.0 3.5 34.6 20.2 23.7 7.4 10.1 6.2
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 2.7 3 111 24.9 37 .303 .606 .441 24.1 24.3 29.0 .267 .507 .365 45.8
2024 Slider -2.6 -2 88 19.7 23 .182 .227 .202 42.2 39.1 34.6 .200 .311 .240 46.2
2024 Sinker -1.6 -1 81 18.2 17 .067 .267 .200 36.1 41.2 43.8 .147 .335 .260 50.0
2024 Changeup -3.0 -2 61 13.7 13 .083 .083 .123 46.4 38.5 25.0 .095 .107 .134 14.3
2024 Curveball -3.1 -1 36 8.1 12 .167 .167 .150 52.6 50.0 46.2 .211 .255 .202 16.7
2024 Cutter -2.1 -1 25 5.6 4 .000 .000 .000 54.5 25.0 33.3 .228 .600 .339 66.7
2024 Sweeper -5.0 -1 21 4.7 8 .250 .250 .225 15.4 25.0 25.0 .238 .275 .224 16.7
2024 Split-Finger 0.6 0 16 3.6 3 .000 .000 .233 60.0 66.7 33.3 -- -- .233 --
2024 Slurve 2.5 0 7 1.6 2 .000 .000 .000 60.0 50.0 50.0 -- -- .000 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 4 215 18.6 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 -0.2 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 -0.7 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 119 446 -5 -4 3 1 -5
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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 446 51.3 71.2 69.9 26.3 40.4 45.1 27.7 49.3 37.7 7.4 84.8
Player 1,601 50.6 71.5 71.7 28.2 48.0 45.1 34.9 50.1 34.8 6.5 82.7
MLB 48.6 67.0 82.0 28.4 57.9 42.6 29.7 47.2 24.8 7.3 76.2
! 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 		Swing
Length
2023 39 91 81 12
2024 7 6 18 41 5 21 51 60 48 41 3 31 2 59 78 83 19
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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 23.7 3 2.8 0 1 2 1 33.3
Player 22.9 17 15.8 1 3 13 6 35.3

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 3 3 2 4 3 3 3 3 3 2 2 4 3 3 3 3 3 3 2 3 2 3 3 3 2 3 3 3 3 3 1
Player 17 14 12 17 17 15 17 15 17 13 14 17 18 14 18 17 15 15 16 19 14 15 21 16 12 14 18 19 18 17 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 89.7 -0.1 ↓
Launch Angle 11.8 7.4 -4.4 ↓
Barrel % 11.1 7.4 -3.7 ↓
Hard Hit % 41.3 38.2 -3.1 ↓
LA Sweet-Spot % 38.6 27.9 -10.7 ↓
xBA .253 .201 -0.052 ↓
BA .267 .183 -0.084 ↓
xwOBA .333 .266 -0.067 ↓
wOBA .357 .251 -0.106 ↓
xSLG .448 .342 -0.106 ↓
SLG .504 .312 -0.192 ↓
K% 27.3 35.3 8.0 ↑
BB% 8.7 6.7 -2.0 ↓
Swing % 50.4 49.3 -1.1 ↓
Whiff% 33.7 37.7 4.0 ↑
In Zone % 50.3 51.3 1.0 ↑
Out of Zone % 49.7 48.7 -1.0 ↓
Out of Zone Swing % 28.9 26.3 -2.6 ↓
First Pitch Swing % 37.8 27.7 -10.1 ↓
First Pitch Strike % 64.2 66.4 2.2 ↑
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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 119 9 7.6 .257 .176
! 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 120 15.2 47.5% 0.0% 79 19.0 3.8% 1.3%
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