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
2025 28 25 3 2 0 0 .080 .143 .080 .223
3 Seasons 875 792 103 179 31 39 .226 .289 .402 .691
AVG HR SB OPS
2023 .267 14 14 .841
2024 .211 17 25 .632
2025 .080 0 0 .223
3 Seasons .226 31 39 .691
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
2025 25 114 13 1 7.7 3.6 89.3 107.0 14.8 38.5 .117 .240 .113 .183 .289 53.8 46.4 7.1
Player 3324 519 50 9.6 5.7 89.4 109.1 13.3 36.0 .215 .378 .299 .290 .392 39.1 32.3 7.5
MLB 7.1 4.8 88.5 122.9 12.4 33.2 .245 .406 .316 .316 .369 36.8 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
2025 30.8 69.2 38.5 30.8 0.0 15.4 69.2 15.4 7.7 23.1 0.0 7.7 46.2 15.4
Player 42.4 57.6 27.9 24.5 5.2 41.2 38.9 19.8 24.1 16.6 1.7 17.1 22.4 18.1
MLB 44.3 55.7 23.9 24.7 7.1 37.3 37.4 25.2 20.6 17.7 5.9 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
2025 7.7 23.1 38.5 7.7 15.4 7.7 3.6
Player 4.0 31.0 25.0 22.9 7.1 9.6 5.7
MLB 4.0 32.5 24.9 24.4 5.9 7.1 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 %
2025 Sinker -2.5 -1 34 29.8 5 .200 .200 .180 46.7 20.0 16.7 .112 .248 .150 50.0
2025 4-Seam Fastball -3.1 -1 32 28.1 8 .000 .000 .200 31.6 37.5 42.9 .092 .152 .166 25.0
2025 Slider -4.1 -1 21 18.4 6 .000 .000 .117 60.0 66.7 57.1 .004 .009 .122 100.0
2025 Changeup -11.9 -1 10 8.8 5 .000 .000 .000 66.7 60.0 50.0 .212 .516 .303 100.0
2025 Cutter -8.7 -1 7 6.1 2 .000 .000 .000 33.3 50.0 50.0 .225 .466 .289 100.0
2025 Curveball 10.5 1 5 4.4 1 1.000 1.000 .900 0.0 0.0 0.0 .279 .283 .251 0.0
2025 Sweeper -4.6 0 3 2.6 1 .000 .000 .000 100.0 100.0 100.0 -- -- .000 --
2025 Slurve -4.1 0 1 0.9 -- -- -- 100.0 -- -- -- -- -- --
2025 Split-Finger 5.9 0 1 0.9 -- -- -- -- -- -- -- -- -- --
2024 4-Seam Fastball -0.5 -3 528 25.7 166 .223 .453 .321 31.3 33.1 35.0 .220 .460 .328 41.2
2024 Sinker -1.0 -4 424 20.6 92 .256 .359 .333 29.2 23.9 35.5 .211 .282 .288 30.4
2024 Slider -0.9 -3 383 18.6 77 .167 .292 .229 42.5 41.6 25.2 .170 .335 .245 45.0
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 1.6 2 160 7.8 54 .231 .423 .281 31.2 31.5 24.6 .215 .334 .247 41.7
2024 Cutter -1.4 -2 118 5.7 32 .286 .357 .300 36.1 21.9 31.8 .293 .481 .351 56.5
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 13 0.6 5 .000 .000 .000 50.0 60.0 75.0 .011 .030 .016 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
2025 28 114 -3 -1 0 0 -4
Player 873 3,324 -18 -23 13 -18 -13
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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
2025 114 50.9 74.1 62.8 26.8 26.7 47.4 53.6 50.9 46.6 5.3 83.3
Player 3,324 51.0 72.0 72.7 29.3 41.3 44.3 39.6 51.1 35.8 6.7 83.5
MLB 48.8 67.0 82.1 28.4 57.6 42.7 30.0 47.3 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 41 71
2024 4 2 15 44 2 52 58 52 48 34 1 32 2 42 86 78 11 43 6 48
2025 27 69
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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 22.74 14 11.8 2 4 10 4 28.6
2024 24.10 17 15.4 2 6 6 10 58.8
Player 23.48 31 27.2 4 10 16 14 45.2
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Expected Home Runs by Park

Adjusted

Year HR
2023 14 10 9 12 13 12 13 10 12 10 11 12 13 10 13 13 11 11 13 15 11 11 16 12 9 10 13 14 14 13 9
2024 17 18 14 16 14 15 16 14 12 13 14 16 17 16 16 15 15 15 16 16 17 16 18 17 14 16 14 15 17 15 14
Player 31 28 23 28 27 27 29 24 24 23 25 28 30 26 29 28 26 26 29 31 28 27 34 29 23 26 27 29 31 28 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

2023 +/-   2024 +/-   2025
Results
BA .267 -.056 .211 -.131 .080
xBA .253 -.054 .199 -.082 .117
OBP .337 -.067 .270 -.127 .143
xOBP .325 -.063 .262 -.086 .176
SLG .504 -.142 .362 -.282 .080
xSLG .448 -.101 .347 -.107 .240
ISO .237 -.086 .151 -.151 .000
xISO .195 -.047 .148 -.025 .123
BABIP .331 -.035 .296 -.142 .154
wOBA .357 -.081 .276 -.163 .113
xwOBA .333 -.062 .271 -.088 .183
wOBACON .461 -.075 .386 -.250 .136
xwOBACON .424 -.047 .377 -.088 .289
BACON .381 -.047 .334 -.180 .154
xBACON .362 -.042 .320 -.095 .225
Statcast Hit Metrics
Hard Hit % 41.3 -4.1 37.2 +16.6 53.8
Avg Exit Velocity 89.8 -0.6 89.2 +0.1 89.3
Launch Angle Sweet-Spot % 38.6 -4.2 34.4 +4.1 38.5
Barrel % 11.1 -2.3 8.8 -1.1 7.7
Avg Launch Angle 11.8 +2.4 14.2 +0.6 14.8
Statcast Bat Tracking
Bat Speed 71.5 +0.1 71.6 -0.6 71.0
Attack Angle 16° 16° +4° 21°
Ideal Attack Angle % 55.4 -0.6 54.8 -8.8 46.0
Attack Direction -4°
Swing Path - Tilt 35° -1° 34° +1° 34°
Swing Length 7.1 +0.2 7.3 -0.1 7.2
Statcast Pitch Metrics
Fastball Velocity 93.5 0.0 93.5 +0.1 93.6
Breaking Velocity 83.0 +0.5 83.5 +2.0 85.5
Offspeed Velocity 85.5 -0.9 84.6 +2.7 87.3
Batted Ball Results
Barrels 21 +7 28 -27 1
Popup % 3.7 +2.6 6.3 -6.3 0.0
Flyball % 28.0 -0.6 27.4 +11.1 38.5
Line Drive % 27.0 -4.3 22.7 +8.1 30.8
Groundball % 41.3 +2.2 43.5 -12.7 30.8
Pull % 42.3 -0.7 41.6 -26.2 15.4
Straight Away % 38.6 -0.7 37.9 +31.3 69.2
Opposite Field % 19.0 +1.5 20.5 -5.1 15.4
Weak Contact % 3.7 +0.4 4.1 +3.6 7.7
Pull Airball % 18.0 -1.0 17.0 -9.3 7.7
Topped Contact % 30.7 +0.8 31.5 -8.4 23.1
Under Contact % 21.7 +4.8 26.5 +12.0 38.5
Flare/Burner Contact % 24.9 -2.5 22.4 -14.7 7.7
Solid Contact % 7.9 -1.6 6.3 +9.1 15.4
HR/FB % 26.4 -6.9 19.5 -19.5 0.0
Popups 7 +13 20 -20 0
Flyballs 53 +34 87 -82 5
Line Drives 51 +21 72 -68 4
Groundballs 78 +60 138 -134 4
Plate Discipline
In Zone % 50.3 +1.1 51.4 -0.5 50.9
Out of Zone % 49.7 -1.1 48.6 +0.5 49.1
Edge % 45.1 -1.4 43.7 +3.7 47.4
Zone Swing % 71.6 +0.5 72.1 +2.0 74.1
Out of Zone Swing % 28.9 +0.8 29.7 -2.9 26.8
In Zone Contact % 72.4 +1.1 73.5 -10.7 62.8
Out of Zone Contact % 50.6 -13.8 36.8 -10.1 26.7
Whiff % 33.7 +2.7 36.4 +10.2 46.6
First Strike % 64.2 +1.2 65.4 +13.2 78.6
First Pitch Swing % 37.8 +2.1 39.9 +13.7 53.6
Swing % 50.4 +1.1 51.5 -0.6 50.9
Meatball Swing % 81.7 +2.7 84.4 -1.1 83.3
Meatball % 6.1 +1.1 7.2 -1.9 5.3
Zone Swing & Miss % 27.6 -1.5 26.1 +11.1 37.2
Out of Zone Swing & Miss % 48.8 +14.0 62.8 +10.5 73.3
In Zone 581 +476 1,057 -999 58
Out of Zone 574 +424 998 -942 56
Edge 521 +378 899 -845 54
In Zone Swings 416 +346 762 -719 43
Out of Zone Swings 166 +130 296 -281 15
In Zone Swing & Misses 115 +84 199 -183 16
Out of Zone Swing & Misses 81 +105 186 -175 11
Basic
Pitches 1,155 +900 2,055 -1,941 114
PA 300 +247 547 -519 28
AB 270 +227 497 -472 25
Hits 72 +33 105 -103 2
Singles 37 +29 66 -64 2
Doubles 20 0 20 -20 0
Triples 1 +1 2 -2 0
Home Runs 14 +3 17 -17 0
Walks 26 +12 38 -36 2
Strikeouts 82 +106 188 -175 13
K% 27.3 +7.1 34.4 +12.0 46.4
BB% 8.7 -1.8 6.9 +0.2 7.1
HBP 3 +1 4 -4 0
Batted Balls 189 +128 317 -304 13
Number of Fastballs 613 +457 1,070 -997 73
Number of Offspeed 161 +86 247 -236 11
Number of Breaking 306 +255 561 -535 26
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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
2025 Shades R 28 0 0.0 .113
! 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%
2025 36 15.3 44.4% 0.0% 12 17.1 0.0% 0.0%
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Statcast Rankings