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Jhonathan Díaz

#74 - Relief Pitcher

Seattle Mariners

Bats / Throws Left / Left
Date of Birth 9/13/1996 (29)
Height, Weight 6'0", 170 lb
Hometown Valencia, VEN

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 1.1 6.75 1.50 16.7% 0.0%
213th 3
Sv
352nd 43.0
IP
321st 4.25
ERA
260th 1.35
WHIP
292nd 22.5%
K%
1st 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
88.7 0.0% 32.0% 52.0% 8.0% 5.13 3.19
348th 94.6
FB MPH
352nd 12.2%
SwStr%
42nd 28.5%
CSW%
137th 51.1%
Str-ICR
343rd 4.7%
MTK%
29th 4.94
PLV
117th 3.48
PLA

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Jhonathan Díaz Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2021 LAA 3 2 13.0 1-0 0 0 4.15 1.38 4.94 4.63 5.91 4.24 15.3% 11.9% 7.6 0.69 .244 9.1% 73.9% 35.7% 42.9% 9.3% 25.7% 0.42 4.95
2022 LAA 4 3 15.1 1-1 0 0 2.93 1.50 4.18 4.50 5.01 4.54 16.7% 15.2% 7.6 0.59 .273 11.1% 83.3% 35.6% 53.3% 9.3% 23.7% 0.24 4.47
2023 LAA 4 1 7.0 0-0 0 0 10.29 2.86 7.42 5.97 8.15 6.12 9.5% 16.7% 16.7 0.00 .448 0.0% 50.0% 37.9% 41.4% 8.1% 24.4% 0.28 4.70
2024 SEA 5 1 9.2 0-1 0 0 4.66 1.76 4.67 5.23 5.25 3.86 17.0% 6.4% 13.0 1.86 .353 18.2% 77.5% 41.7% 38.9% 7.2% 25.9% 0.40 4.87
2025 SEA 1 0 1.1 0-0 0 0 0.00 0.75 0.75 1.32 1.32 3.90 20.0% 0.0% 6.8 0.00 .250 - 100.0% 50.0% 25.0% 7.7% 19.2% 0.39 4.92
2026 SEA 1 0 1.1 0-0 0 0 6.75 1.50 5.61 13.08 3.45 3.19 16.7% 0.0% 13.5 6.75 .250 100.0% 100.0% 40.0% 60.0% 0.0% 32.0% 0.60 5.13
RP MLB Percentile 0 0 0 0-82 0 0 9 24 13 0 84 66 16 100 2 0 76 0 99 26 96 0 88 80 90
RP MLB AVG 34 2 43.0 2-2 3 6 4.25 1.35 4.23 4.24 4.30 3.48 22.5% 9.8% 8.3 1.12 .290 17.8% 72.7% 37.0% 43.6% 12.2% 28.5% 0.50 4.94
Career 18 7 47.2 2-2 0 0 4.72 1.70 4.91 4.99 5.59 4.49 15.1% 12.0% 10.2 0.94 .314 13.2% 71.4% 37.9% 44.7% 8.4% 24.9% 0.34 4.76

Jhonathan Díaz Repertoire

2021 2022 2023 2024 2025 2026 All
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Jhonathan Díaz Game Log

Jhonathan Díaz Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2021 LAA 3 2 13.0 1-0 0 0 0 237 149 88 59 11 6 4 0 1 9 7 1 0
2022 LAA 4 3 15.1 1-1 0 0 0 236 135 101 66 13 8 3 1 1 11 10 0 0
2023 LAA 4 1 7.0 0-0 0 0 0 160 92 68 42 13 8 5 0 0 4 7 2 0
2024 SEA 5 1 9.2 0-1 0 0 0 166 109 57 47 14 8 3 1 2 8 3 0 0
2025 SEA 1 0 1.1 0-0 0 0 0 26 17 9 5 1 1 0 0 0 1 0 0 0
2026 SEA 1 0 1.1 0-0 0 0 0 25 17 8 6 2 1 0 0 1 1 0 0 0
RP MLB Percentile 0 0 0 0-82 0 0 0 0 0 100 0 100 100 99 44 90 0 100 80 73
RP MLB AVG 34 2 43.0 2-2 0 3 6 718 458 259 184 39 26 7 1 5 41 17 2 2
Career 18 7 47.2 2-2 0 0 0 850 519 331 225 54 32 15 2 5 34 27 3 0

Jhonathan Díaz Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2021 LAA 15.3% 11.9% .220 .360 .682 .302 .244 .262 .257 .340 .283 .345 86.5 89.9 10.3 4.94
2022 LAA 16.7% 15.2% .236 .382 .730 .325 .273 .289 .234 .320 .262 .316 91.3 87.4 10.0 4.18
2023 LAA 9.5% 16.7% .419 .581 1.105 .467 .448 .448 .329 .415 .331 .383 87.9 85.4 12.1 7.42
2024 SEA 17.0% 6.4% .318 .568 .930 .395 .353 .389 .273 .335 .308 .381 87.1 87.9 14.1 4.67
2025 SEA 20.0% 0.0% .200 .200 .400 .176 .250 .250 .151 .135 .189 .168 84.5 - 30.0 0.75
2026 SEA 16.7% 0.0% .333 .833 1.166 .490 .250 .400 .244 .371 .160 .445 87.9 107.6 11.8 5.61
RP MLB Percentile 16 100 3 0 0 0 76 5 41 13 100 7 49 0 62 13
RP MLB AVG 22.5% 9.8% .241 .392 .715 .315 .290 .320 .236 .317 .281 .361 87.7 89.2 13.3 4.23
Career 15.1% 12.0% .283 .461 .834 .364 .314 .335 .263 .347 .286 .354 88.2 88.5 11.9 4.91

Jhonathan Díaz Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2021 LAA3.0% (90.3)23.2% (90.0)-29.1% (79.0)-1.7% (74.4)43.0% (85.7)-- 26.2% 73.8%
2022 LAA19.5% (91.5)28.4% (89.2)-25.4% (80.6)-8.5% (74.7)18.2% (81.7)-- 47.9% 52.1%
2023 LAA33.1% (90.8)11.3% (88.1)-32.5% (80.6)-5.0% (76.7)18.1% (81.9)-- 44.4% 55.6%
2024 SEA31.3% (90.2)19.9% (88.3)-21.1% (78.6)-12.1% (73.1)15.7% (81.1)-- 51.2% 48.8%
2025 SEA11.5% (89.6)11.5% (87.8)-46.2% (78.5)-11.5% (71.6)19.2% (81.8)-- 23.1% 76.9%
2026 SEA-60.0% (88.7)--28.0% (79.8)4.0% (73.9)8.0% (81.0)-- 60.0% 40.0%
RP MLB Percentile - 94 (2) - - 72 (15) 9 (6) 25 (9) - - 83.0% 17.1%
RP MLB AVG 38.3% (94.6) 26.4% (93.9) 20.3% (89.4) 25.7% (85.6) 21.4% (82.5) 16.4% (79.7) 17.1% (86.2) 17.4% (86.6) 32.8% (68.2) 48.2% 51.7%
Career18.9% (90.8)22.5% (89.1)-26.8% (79.7)0.8% (79.8)6.6% (74.2)24.4% (83.6)-- 41.4% 58.6%

Jhonathan Díaz Pitch › Results

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2021 LAA14.3% (0)18.2% (1)-30.4% (12)-0.0% (0)28.4% (9)-- 17.7% 28.6%
2022 LAA19.6% (3)31.3% (1)-25.0% (13)-0.0% (0)25.6% (5)-- 26.5% 21.1%
2023 LAA17.0% (2)27.8% (0)-38.5% (10)-25.0% (0)10.3% (1)-- 19.7% 28.1%
2024 SEA25.0% (3)30.3% (1)-20.0% (6)-55.0% (1)7.7% (1)-- 27.1% 24.7%
2025 SEA0.0% (0)0.0% (0)-25.0% (1)-33.3% (0)20.0% (1)-- 0.0% 25.0%
2026 SEA-40.0% (0)--28.6% (0)0.0% (0)0.0% (0)-- 40.0% 20.0%
RP MLB Percentile - 96 (95) - - 49 (96) 0 (0) 0 (0) - - 98.9% 2.0%
RP MLB AVG 27.1% (26) 27.5% (10) 26.6% (12) 29.4% (22) 28.2% (16) 27.1% (11) 21.6% (16) 23.1% (18) 22.0% (9) 27.8% 28.9%
Career19.9% (8)27.2% (3)-28.9% (42)28.6% (0)25.0% (1)22.2% (17)-- 23.9% 25.7%

Jhonathan Díaz Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2021 LAA 42.9% 23.8% 26.2% 7.1% 40.5% 33.3% 38.1% 28.6% 19.4% 64.3% 23.8% 2.4% 9.5% 35.7%
2022 LAA 53.3% 20.0% 20.0% 6.7% 37.8% 44.4% 24.4% 31.1% 14.4% 64.5% 26.7% 4.4% 4.4% 35.6%
2023 LAA 41.4% 27.6% 20.7% 10.3% 31.0% 51.7% 37.9% 10.3% 15.0% 62.0% 27.6% 6.9% 3.4% 37.9%
2024 SEA 38.9% 25.0% 30.6% 5.6% 36.1% 38.9% 41.7% 19.4% 18.1% 58.4% 25.0% 13.9% 2.8% 41.7%
2025 SEA 25.0% 25.0% 0.0% 50.0% 25.0% 25.0% 50.0% 25.0% 30.8% 50.0% 50.0% 0.0% 0.0% 50.0%
2026 SEA 60.0% 0.0% 20.0% 20.0% 20.0% 40.0% 20.0% 40.0% 16.0% 60.0% 20.0% 0.0% 20.0% 40.0%
RP MLB Percentile 96 100 21 95 99 42 0 99 18 28 82 99 0 26
RP MLB AVG 43.6% 21.7% 24.5% 10.2% 34.8% 41.0% 33.7% 25.2% 18.2% 62.7% 24.5% 5.8% 7.0% 37.0%
Career 44.7% 23.0% 23.6% 8.7% 36.0% 41.0% 34.8% 24.2% 17.2% 62.1% 26.1% 6.2% 5.6% 37.9%

Jhonathan Díaz Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2021 LAA .220 .302 .244 .262 .257 .340 .283 .345 86.5 89.9 10.3 9.1% 35.7% 25.4%
2022 LAA .236 .325 .273 .289 .234 .320 .262 .316 91.3 87.4 10.0 11.1% 35.6% 24.2%
2023 LAA .419 .467 .448 .448 .329 .415 .331 .383 87.9 85.4 12.1 0.0% 37.9% 26.2%
2024 SEA .318 .395 .353 .389 .273 .335 .308 .381 87.1 87.9 14.1 18.2% 41.7% 31.9%
2025 SEA .200 .176 .250 .250 .151 .135 .189 .168 84.5 - 30.0 - 50.0% 40.0%
2026 SEA .333 .490 .250 .400 .244 .371 .160 .445 87.9 107.6 11.8 100.0% 40.0% 33.3%
RP MLB Percentile 3 0 76 5 41 13 100 7 49 0 62 0 26 3
RP MLB AVG .241 .315 .290 .320 .236 .317 .281 .361 87.7 89.2 13.3 17.8% 37.0% 24.6%
Career .283 .364 .314 .335 .263 .347 .286 .354 88.2 88.5 11.9 13.2% 37.9% 27.1%

Jhonathan Díaz Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2021 LAA 44.3% 62.9% 46.4% 29.5% 20.0% 19.4% 80.0% 87.3% 66.7% 16.5% 9.3% 25.7% 17.7% 58.2% 0.42 50.2%
2022 LAA 39.8% 57.2% 42.8% 23.9% 21.8% 14.4% 78.2% 89.6% 55.9% 14.4% 9.3% 23.7% 19.1% 51.7% 0.24 43.6%
2023 LAA 41.3% 57.5% 41.3% 24.5% 19.7% 15.0% 80.3% 90.7% 60.9% 16.3% 8.1% 24.4% 18.1% 49.4% 0.28 43.8%
2024 SEA 47.0% 65.7% 47.0% 29.5% 15.4% 18.1% 84.6% 92.3% 69.2% 18.7% 7.2% 25.9% 21.7% 57.2% 0.40 47.6%
2025 SEA 61.5% 65.4% 53.8% 20.0% 14.3% 30.8% 85.7% 100.0% 0.0% 11.5% 7.7% 19.2% 15.4% 61.5% 0.39 50.0%
2026 SEA 56.0% 68.0% 36.0% 9.1% 0.0% 16.0% 100.0% 100.0% 100.0% 32.0% 0.0% 32.0% 20.0% 60.0% 0.60 52.0%
RP MLB Percentile 100 93 0 0 0 18 0 0 0 100 0 88 84 73 80 59
RP MLB AVG 44.5% 63.8% 47.4% 31.8% 25.7% 18.2% 74.3% 83.8% 58.5% 16.3% 12.2% 28.5% 17.1% 58.4% 0.50 51.1%
Career 43.9% 61.1% 44.5% 26.2% 18.8% 17.2% 81.2% 90.5% 62.4% 16.6% 8.4% 24.9% 18.9% 54.7% 0.34 46.7%

Jhonathan Díaz Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2021 LAA 44.3% 33.8% 25.7% 40.5% 21.9% 31.6% 46.4% 35.4% 38.8% 9.7%
2022 LAA 39.8% 27.1% 23.7% 49.2% 19.1% 26.7% 54.2% 41.9% 34.3% 8.5%
2023 LAA 41.3% 21.9% 18.8% 59.4% 31.3% 21.9% 46.9% 53.8% 27.5% 5.0%
2024 SEA 47.0% 45.8% 22.3% 31.9% 30.1% 29.5% 40.4% 31.9% 45.8% 4.8%
2025 SEA 61.5% 23.1% 38.5% 38.5% 15.4% 26.9% 57.7% 26.9% 34.6% 11.5%
2026 SEA 56.0% 28.0% 36.0% 36.0% 40.0% 20.0% 40.0% 40.0% 24.0% 16.0%
RP MLB Percentile 100 13 0 33 70 82 46 98 0 100
RP MLB AVG 44.5% 34.5% 27.0% 38.5% 36.4% 22.8% 40.8% 29.8% 43.2% 6.6%
Career 43.9% 31.5% 23.9% 44.6% 24.8% 27.5% 47.6% 39.9% 36.2% 7.8%

Jhonathan Díaz Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2021 LAA 57.8% 17.3% 24.9% 16.8% 52.5% 47.5% 19.0% 30.5% 15.3%
2022 LAA 64.4% 16.1% 19.5% 21.1% 47.0% 30.3% 16.4% 30.4% 23.9%
2023 LAA 63.1% 11.9% 25.0% 16.8% 64.3% 57.1% 20.8% 22.5% 10.0%
2024 SEA 57.2% 15.1% 27.7% 18.9% 72.3% 59.6% 26.3% 28.3% 17.4%
2025 SEA 50.0% 7.7% 42.3% 7.7% 60.0% 60.0% 23.1% 9.1% 9.1%
2026 SEA 64.0% 8.0% 28.0% 6.3% 33.3% 33.3% 43.8% 14.3% 14.3%
RP MLB Percentile 98 96 23 0 0 0 100 0 12
RP MLB AVG 58.5% 12.1% 29.9% 14.4% 60.9% 50.1% 21.1% 26.8% 19.2%
Career 60.5% 14.9% 24.6% 17.9% 56.9% 46.7% 20.8% 26.8% 16.3%

Jhonathan Díaz PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2021 LAA 237 4.95 43.0% 21.1% 35.9% 7.2% 3.8% 0.5 -1 4.24
2022 LAA 236 4.47 36.0% 17.4% 46.6% -10.6% 5.5% 1.1 +5 4.54
2023 LAA 160 4.70 43.1% 16.9% 40.0% 3.1% 5.6% 5.2 +5 6.12
2024 SEA 166 4.87 46.4% 16.9% 36.7% 9.6% 7.2% 5.2 +6 3.86
2025 SEA 26 4.92 38.5% 19.2% 42.3% -3.8% 15.4% -0.6 -1 3.90
2026 SEA 25 5.13 32.0% 32.0% 36.0% -4.0% 8.0% 1.2 +0 3.19
RP MLB Percentile 0 90 0 100 58 58 3 48 48 66
RP MLB AVG 718 4.94 45.9% 17.4% 36.7% 9.3% 4.7% 0.8 0 3.48
Career 850 4.76 41.3% 18.7% 40.0% 1.3% 5.8% 12.6 +15 4.49
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