P | Bats/Throws: R/R | 6' 3" 190 lbs | Age: 29
W L ERA G GS SV IP SO WHIP
2022 2 3 2.97 29 0 4 30.1 27 1.42
2023 1 2 5.40 33 0 0 31.2 34 1.58
2024 3 1 5.40 29 1 0 43.1 39 1.59
5 Seasons 13 8 4.29 127 3 4 153 150 1.44
G W-L ERA IP SO WHIP
2022 29 2-3 2.97 30.1 27 1.42
2023 33 1-2 5.40 31.2 34 1.58
2024 29 3-1 5.40 43.1 39 1.59
5 Seasons 127 13-8 4.29 153 150 1.44
MLB Percentile Rankings
Movement Profile (Induced Break)
?

Statcast 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% ERA xERA
2019 22 332 46 3 6.5 3.8 86.2 114.0 6.1 37.0 .241 .402 .317 .336 .375 30.4 24.4 16.7 4.32 5.06
2020 23 497 82 3 3.7 2.4 87.6 109.0 12.8 18.3 .190 .291 .274 .252 .281 37.8 24.8 6.4 2.90 2.64
2022 25 511 86 4 4.7 3.1 90.3 113.3 0.5 27.9 .241 .368 .296 .313 .346 51.2 20.6 13.0 2.97 4.08
2023 26 553 94 10 10.6 6.8 88.6 114.8 10.9 30.9 .243 .425 .348 .340 .394 40.4 23.1 10.2 5.40 4.96
2024 27 762 124 11 8.9 5.7 89.2 114.5 6.9 33.9 .242 .400 .348 .334 .360 39.5 20.3 14.6 5.40 4.74
Player 2655 432 31 7.2 4.6 88.7 114.8 7.5 29.4 .232 .378 .321 .316 .351 40.7 22.3 12.0
MLB 7.2 4.9 88.6 122.9 12.4 33.3 .245 .404 .315 .315 .368 37.0 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Hernández relies on 4 pitches.
Slider
(49.3%) ,
Sinker
(37.5%) ,
Changeup
(11.8%) ,
Four Seamer
(1.4%) ,


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Pitch Tracking



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 %
2019 52.2 47.8 19.6 26.1 2.2 41.3 45.7 13.0 26.1 21.7 4.3 15.2 23.9 8.7
2020 46.3 53.7 28.0 17.1 8.5 37.8 39.0 23.2 22.0 18.3 6.1 15.9 20.7 17.1
2022 61.6 38.4 15.1 22.1 1.2 45.3 39.5 15.1 33.7 20.9 7.0 11.6 18.6 8.1
2023 53.2 46.8 20.2 19.1 7.4 43.6 31.9 24.5 30.9 16.0 6.4 12.8 16.0 18.1
2024 49.2 50.8 25.0 24.2 1.6 48.4 37.9 13.7 26.6 19.4 3.2 21.8 18.5 10.5
Player 52.3 47.7 22.0 21.5 4.2 44.0 38.0 18.1 28.0 19.0 5.3 16.0 19.0 12.7
MLB 44.2 55.8 24.0 24.7 7.1 37.4 37.4 25.1 20.6 17.6 5.9 16.7 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
2019 6.5 37.0 17.4 28.3 4.3 6.5 3.8
2020 4.9 36.6 29.3 20.7 4.9 3.7 2.4
2022 9.3 40.7 14.0 25.6 5.8 4.7 3.1
2023 4.3 37.2 19.1 23.4 4.3 10.6 6.8
2024 3.2 40.3 21.0 20.2 6.5 8.9 5.7
Player 5.3 38.7 20.4 22.9 5.3 7.2 4.6
MLB 4.0 32.4 24.9 24.4 5.9 7.2 4.9
! Note: All figures in this table cover the period 2015-present.

Pitch Movement


How this works: This section shows two different ways to evaluate pitch movement. On the left, “Total Movement” shows the real-world movement of a pitch, including the forces of gravity, which affects every pitch thrown. Since gravity requires time, and slower pitches aren't 'better' just because they have more time to move, a pitch's movement is compared to other pitches of the same pitch type, within +/- 2 MPH and +/- 0.5 feet of extension/release. On the right, Induced Movement (or IVB) is reported without gravity, and attempts to isolate movement created by the pitcher's ability to spin and manipulate the ball.
Total Movement (in inches, w/ gravity)Induced Movement (in inches, w/o gravity)
YearPitchTeamHand#MPHVertical
Drop
vs.
Comparable
Horizontal
Break
vs.
Comparable
Vertical
Break
vs. AvgHorizontal
Break
vs. Avg
2024 4-Seam Fastball SEA R 11 96.7 16.7 -2.5 13.0ARM 4.6 12.7 -3.0 13.0ARM 5.4
2024 Sinker SEA R 285 96.8 22.2 0.0 17.4ARM 1.8 7.0 0.2 17.4ARM 2.5
2024 Changeup SEA R 90 90.0 28.4 -1.4 18.7ARM 3.7 5.5 -0.6 18.7ARM 4.5
2024 Slider SEA R 375 87.7 32.9 -0.8 4.8GLV 0.7 2.6 -0.9 4.8GLV 0.0
2023 Slider TEX R 242 87.3 34.6 0.9 4.5GLV 0.1 1.2 0.4 4.5GLV -0.5
2023 Sinker TEX R 257 97.5 22.3 1.1 17.5ARM 1.6 6.5 1.2 17.5ARM 2.6
2023 Changeup TEX R 54 90.0 28.9 -1.0 19.2ARM 4.1 5.0 0.4 19.2ARM 4.8
! Note: Years are in reverse order.

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 Slider 0.4 2 375 49.3 81 .205 .342 .258 39.4 27.2 19.1 .196 .323 .249 33.3
2024 Sinker -2.1 -6 285 37.5 82 .311 .574 .470 15.0 8.5 9.2 .303 .546 .449 48.1
2024 Changeup 0.4 0 90 11.8 25 .250 .333 .272 39.6 36.0 31.0 .219 .259 .229 26.7
2024 4-Seam Fastball -6.6 -1 11 1.4 2 1.000 1.000 .800 0.0 0.0 0.0 .740 .906 .704 100.0
2023 Sinker -1.9 -5 257 46.5 72 .350 .600 .434 13.6 15.3 18.6 .320 .620 .443 51.0
2023 Slider 1.0 2 242 43.8 63 .218 .291 .272 43.2 33.3 26.9 .183 .270 .255 34.3
2023 Changeup 1.6 1 54 9.8 11 .200 .200 .227 37.9 18.2 15.4 .115 .127 .160 0.0
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.

Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2024 Changeup 88 90.0 93 20.1 1:45 2:30 -45
2024 4-Seam Fastball 11 96.7 89 18.1 1:45 1:30 15
2024 Sinker 285 96.8 92 19.2 1:45 2:30 -45
2024 Slider 375 87.7 31 5.7 10:45 9:30 75
2023 Changeup 49 90.0 95 20.4 2:00 2:45 -45
2023 Sinker 252 97.5 91 19.3 1:45 2:30 -45
2023 Slider 225 87.3 31 5.0 10:15 9:00 75
! Note: Years are in reverse order.
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! Note: This table is showing data from the PITCHER perspective.
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Pitcher Arm Angle

! Note: Data is available from 2020 through the present.
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Statcast Pitching Run Value

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2019 78 332 3 7 -6 -4 -1
2020 125 497 8 4 -3 -4 6
2022 128 511 -2 12 -5 -2 2
2023 146 553 -2 6 -2 -4 -2
2024 190 761 0 6 -6 -4 -5
Player 667 2,654 7 34 -22 7 1
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Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Strike % Swing % Whiff % Meatball % Meatball Swing %
2019 332 38.0 62.7 74.7 24.8 54.9 35.8 35.9 39.2 33.1 7.2 75.0
2020 497 45.5 64.2 78.6 27.7 42.7 42.3 55.2 44.3 33.6 5.6 78.6
2022 511 44.6 71.5 79.8 23.0 44.6 38.0 55.5 44.6 30.3 6.7 73.5
2023 553 45.0 63.5 82.9 28.0 45.9 39.6 58.2 43.9 30.0 7.4 73.2
2024 762 41.9 69.0 81.4 30.8 51.5 39.2 53.9 46.7 30.1 5.8 72.7
Player 2,655 43.3 66.6 80.1 27.4 48.1 39.2 53.3 44.3 31.1 6.4 74.3
MLB 48.9 67.0 82.5 28.4 58.0 42.7 61.1 47.3 25.0 7.3 76.3
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year xwOBA /
xERA
xBA xSLG xISO xOBP Brl Brl% EV Hard
Hit%
K% BB% Whiff% Chase
Rate
FB
Velo
FB
Spin
CB
Spin
Extension
2019 93 24 63
2020 93 88 93 89 91 74 89 63 46 57 77 85 51 98 44 37
2022 97 52 40
2023 94 30 44
2024 89 48 33
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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 %
2019 22.72 3 2.6 0 1 3 0 0.0
2020 23.09 2 2.1 0 1 3 0 0.0
2022 25.32 2 2.0 0 0 0 2 100.0
2023 24.77 4 3.6 0 1 4 2 50.0
2024 24.19 6 4.4 2 3 5 1 16.7
Player 24.07 17 14.7 2 6 15 5 29.4
Note: xHR tells how many of this pitcher's batted balls allowed 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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Expected Home Runs by Park

Adjusted

Year HR
2019 3 2 3 3 4 2 3 3 1 1 2 4 3 2 2 3 2 2 2 4 2 4 4 3 3 2 3 4 3 2 1
2020 2 3 2 2 2 3 2 2 2 1 2 2 3 1 2 2 4 1 2 2 3 3 4 2 0 1 2 2 3 1 1
2022 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
2023 4 4 2 3 3 2 4 3 3 2 2 4 4 3 5 3 4 3 3 6 4 4 7 5 4 3 3 4 4 4 3
2024 6 5 4 5 5 6 6 4 4 2 4 6 6 3 5 5 4 4 4 6 3 3 7 4 3 4 5 6 4 3 1
Player 17 16 13 15 16 15 17 14 12 8 12 18 18 11 16 15 16 12 13 20 14 16 24 16 12 12 15 18 16 12 8
Note: xHR tells how many of this pitcher's batted balls allowed 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

2024 +/-   2023 +/-   2022 +/-   2021 +/-   2020 +/-   2019
Results
BA .256 -.024 .280 +.048 .232 -- -- -- -- -.001 .219
xBA .242 -.001 .243 +.002 .241 -- -- -- -- -.051 .241
OBP .366 -.004 .370 +.032 .338 -- -- -- -- -.056 .346
xOBP .356 +.009 .347 +.001 .346 -- -- -- -- -.098 .364
SLG .431 -.001 .432 +.102 .330 -- -- -- -- -.048 .375
xSLG .400 -.025 .425 +.057 .368 -- -- -- -- -.111 .402
ISO .175 +.023 .152 +.054 .098 -- -- -- -- -.047 .156
xISO .158 -.024 .182 +.055 .127 -- -- -- -- -.060 .161
BABIP .299 -.049 .348 +.059 .289 -- -- -- -- +.022 .256
wOBA .348 .000 .348 +.052 .296 -- -- -- -- -.043 .317
xwOBA .334 -.006 .340 +.027 .313 -- -- -- -- -.084 .336
wOBACON .381 -.026 .407 +.086 .321 -- -- -- -- -.028 .342
xwOBACON .360 -.034 .394 +.048 .346 -- -- -- -- -.094 .375
BACON .333 -.043 .376 +.070 .306 -- -- -- -- -.008 .304
xBACON .317 -.023 .340 +.022 .318 -- -- -- -- -.076 .335
Statcast Hit Metrics
Hard Hit % 39.5 -0.9 40.4 -10.8 51.2 -- -- -- -- +7.4 30.4
Avg Exit Velocity 89.2 +0.6 88.6 -1.7 90.3 -- -- -- -- +1.4 86.2
Launch Angle Sweet-Spot % 33.9 +3.0 30.9 +3.0 27.9 -- -- -- -- -18.7 37.0
Barrel % 8.9 -1.7 10.6 +5.9 4.7 -- -- -- -- -2.8 6.5
Avg Launch Angle 6.9 -4.0 10.9 +10.4 0.5 -- -- -- -- +6.7 6.1
Statcast Bat Tracking
Bat Speed 71.5 +0.3 71.2 -- -- -- -- -- -- -- --
Attack Angle 14° +1° 13° -- -- -- -- -- -- -- --
Ideal Attack Angle % 52.4 -4.0 56.4 -- -- -- -- -- -- -- --
Attack Direction -9° -1° -7° -- -- -- -- -- -- -- --
Swing Path - Tilt 35° +2° 33° -- -- -- -- -- -- -- --
Swing Length 7.7 +0.1 7.6 -- -- -- -- -- -- -- --
Statcast Pitch Metrics
Fastball Velocity 96.8 -0.7 97.5 -0.5 98.0 -- -- -- -- +1.0 96.8
Breaking Velocity 87.7 +0.4 87.3 0.0 87.3 -- -- -- -- +0.6 88.5
Offspeed Velocity 90.0 0.0 90.0 -0.1 90.1 -- -- -- -- +1.2 89.7
Batted Ball Results
Barrels 11 +1 10 +6 4 -- -- -- -- 0 3
Popup % 1.6 -5.8 7.4 +6.2 1.2 -- -- -- -- +6.3 2.2
Flyball % 25.0 +4.8 20.2 +5.1 15.1 -- -- -- -- +8.4 19.6
Line Drive % 24.2 +5.1 19.1 -3.0 22.1 -- -- -- -- -9.0 26.1
Groundball % 49.2 -4.0 53.2 -8.4 61.6 -- -- -- -- -5.9 52.2
Pull % 48.4 +4.8 43.6 -1.7 45.3 -- -- -- -- -3.5 41.3
Straight Away % 37.9 +6.0 31.9 -7.6 39.5 -- -- -- -- -6.7 45.7
Opposite Field % 13.7 -10.8 24.5 +9.4 15.1 -- -- -- -- +10.2 13.0
Weak Contact % 3.2 -1.1 4.3 -5.0 9.3 -- -- -- -- -1.6 6.5
Pull Airball % 21.8 +9.0 12.8 +1.2 11.6 -- -- -- -- +0.7 15.2
Topped Contact % 40.3 +3.1 37.2 -3.5 40.7 -- -- -- -- -0.4 37.0
Under Contact % 21.0 +1.9 19.1 +5.1 14.0 -- -- -- -- +11.9 17.4
Flare/Burner Contact % 20.2 -3.2 23.4 -2.2 25.6 -- -- -- -- -7.6 28.3
Solid Contact % 6.5 +2.2 4.3 -1.5 5.8 -- -- -- -- +0.6 4.3
HR/FB % 19.4 -1.7 21.1 +5.7 15.4 -- -- -- -- -24.6 33.3
Popups 2 -5 7 +6 1 -- -- -- -- +6 1
Flyballs 31 +12 19 +6 13 -- -- -- -- +14 9
Line Drives 30 +12 18 -1 19 -- -- -- -- +2 12
Groundballs 61 +11 50 -3 53 -- -- -- -- +14 24
Plate Discipline
In Zone % 41.9 -3.1 45.0 +0.4 44.6 -- -- -- -- +7.5 38.0
Out of Zone % 58.1 +3.1 55.0 -0.4 55.4 -- -- -- -- -7.5 62.0
Edge % 39.2 -0.4 39.6 +1.6 38.0 -- -- -- -- +6.5 35.8
Zone Swing % 69.0 +5.5 63.5 -8.0 71.5 -- -- -- -- +1.5 62.7
Out of Zone Swing % 30.8 +2.8 28.0 +5.0 23.0 -- -- -- -- +2.9 24.8
In Zone Contact % 81.4 -1.5 82.9 +3.1 79.8 -- -- -- -- +3.9 74.7
Out of Zone Contact % 51.5 +5.6 45.9 +1.3 44.6 -- -- -- -- -12.2 54.9
Whiff % 30.1 +0.1 30.0 -0.3 30.3 -- -- -- -- +0.5 33.1
First Strike % 53.9 -4.3 58.2 +2.7 55.5 -- -- -- -- +19.3 35.9
First Pitch Swing % 28.3 +0.2 28.1 -3.2 31.3 -- -- -- -- +9.9 14.1
Swing % 46.7 +2.8 43.9 -0.7 44.6 -- -- -- -- +5.1 39.2
Meatball Swing % 72.7 -0.5 73.2 -0.3 73.5 -- -- -- -- +3.6 75.0
Meatball % 5.8 -1.6 7.4 +0.7 6.7 -- -- -- -- -1.6 7.2
Zone Swing & Miss % 18.6 +1.5 17.1 -3.1 20.2 -- -- -- -- -3.9 25.3
Out of Zone Swing & Miss % 48.5 -5.6 54.1 -1.3 55.4 -- -- -- -- +12.2 45.1
In Zone 319 +70 249 +21 228 -- -- -- -- +100 126
Out of Zone 442 +138 304 +21 283 -- -- -- -- +65 206
Edge 298 +79 219 +25 194 -- -- -- -- +91 119
In Zone Swings 220 +62 158 -5 163 -- -- -- -- +66 79
Out of Zone Swings 136 +51 85 +20 65 -- -- -- -- +24 51
In Zone Swing & Misses 41 +14 27 -6 33 -- -- -- -- +11 20
Out of Zone Swing & Misses 66 +20 46 +10 36 -- -- -- -- +20 23
Basic
Pitches 762 +209 553 +42 511 -- -- -- -- +165 332
PA 192 +45 147 +16 131 -- -- -- -- +47 78
AB 160 +35 125 +13 112 -- -- -- -- +46 64
Hits 41 +6 35 +9 26 -- -- -- -- +10 14
Singles 26 +1 25 +6 19 -- -- -- -- +8 10
Doubles 8 +3 5 0 5 -- -- -- -- +1 1
Triples 1 0 1 +1 0 -- -- -- -- +2 0
Home Runs 6 +2 4 +2 2 -- -- -- -- -1 3
Walks 28 +13 15 -2 17 -- -- -- -- -5 13
Strikeouts 39 +5 34 +7 27 -- -- -- -- +12 19
K% 20.3 -2.8 23.1 +2.5 20.6 -- -- -- -- +0.4 24.4
BB% 14.6 +4.4 10.2 -2.8 13.0 -- -- -- -- -10.3 16.7
HBP 1 -3 4 +3 1 -- -- -- -- +4 0
Batted Balls 124 +30 94 +8 86 -- -- -- -- +36 46
Number of Fastballs 296 +39 257 +36 221 -- -- -- -- +74 161
Number of Offspeed 90 +36 54 -51 105 -- -- -- -- +11 53
Number of Breaking 375 +133 242 +57 185 -- -- -- -- +80 118
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2019 Shifts 78 .317 41 10 24.4 37 20 54.1
2020 Shifts 124 .276 73 12 16.4 51 22 43.1
2022 Shifts 128 .296 77 14 18.2 51 34 66.7
2023 Shades 146 .348 92 2 2.2 54 36 66.7
2024 Shades 190 .350 107 0 0.0 83 58 69.9
! 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 %
2019 91 20.6 12.1% 4.4% 81 23.1 0.0% 7.4%
2020 144 21.2 0.7% 9.0% 98 25.1 0.0% 24.5%
2022 135 20.1 2.2% 7.4% 97 22.6 0.0% 9.3%
2023 134 14.7 51.5% 0.7% 127 18.0 13.4% 0.0%
2024 188 15.6 36.7% 0.0% 141 17.3 12.1% 2.1%

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Pitch Distribution