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Will Klein

#61 - Relief Pitcher

Los Angeles Dodgers

Bats / Throws Right / Right
Date of Birth 11/28/1999 (26)
Height, Weight 6'5", 230 lb
Hometown Bloomington, IN

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
2 41.2 3.67 1.56 25.9% 11.1%
95th 3
Sv
211th 52.0
IP
140th 4.19
ERA
286th 1.34
WHIP
93rd 22.7%
K%
240th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
97.5 10.2% 29.8% 51.4% 2.6% 4.94 3.84
39th 94.7
FB MPH
251st 12.2%
SwStr%
106th 28.5%
CSW%
159th 51.2%
Str-ICR
30th 4.7%
MTK%
173rd 4.94
PLV
235th 3.56
PLA

Articles

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7/27/2026Fantasy Baseball Relief Pitcher Roundup: 7/26Rick Graham

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See More Articles
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Will Klein 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
2024 KC/OAK 8 0 7.1 1-0 0 0 11.05 2.45 6.70 3.73 6.08 4.04 18.4% 15.8% 14.7 0.00 .480 0.0% 50.0% 40.0% 44.0% 7.5% 27.4% 0.33 5.01
2025 LAD 14 0 15.1 1-1 0 2 2.35 1.57 3.07 2.74 3.39 3.87 30.0% 14.3% 8.2 0.00 .378 0.0% 76.9% 35.1% 52.8% 11.8% 27.2% 0.48 4.99
2026 LAD 36 3 41.2 3-4 2 12 3.67 1.56 3.77 3.42 3.63 3.84 25.9% 11.1% 9.5 0.65 .363 15.0% 72.1% 37.1% 57.9% 10.2% 29.8% 0.55 4.94
RP MLB Percentile 42 80 39 49-18 60 77 60 18 62 77 80 33 72 30 22 77 7 58 49 47 93 27 68 64 48
RP MLB AVG 42 2 52.0 3-3 3 7 4.19 1.34 4.16 4.17 4.24 3.56 22.7% 9.8% 8.3 1.08 .291 17.6% 72.5% 36.8% 44.0% 12.2% 28.5% 0.50 4.94
Career 58 3 64.1 5-5 2 14 4.20 1.66 3.94 3.29 3.84 3.87 25.9% 12.5% 9.8 0.42 .383 9.7% 69.6% 37.1% 54.9% 10.3% 28.9% 0.50 4.96

Will Klein Repertoire

2024 2025 2026 All
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Will Klein Game Log

Will Klein Standard

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2024 KC/OAK 8 0 7.1 1-0 0 0 0 146 82 64 38 12 8 4 0 0 7 6 0 1
2025 LAD 14 0 15.1 1-1 0 0 2 305 179 126 70 14 10 4 0 0 21 10 2 0
2026 LAD 36 3 41.2 3-4 0 2 12 762 478 284 189 44 37 4 0 3 49 21 3 2
RP MLB Percentile 42 80 39 49-18 0 60 77 47 46 49 43 45 26 77 50 70 51 42 30 33
RP MLB AVG 42 2 52.0 3-3 0 3 7 884 565 319 227 48 32 9 1 6 52 21 3 2
Career 58 3 64.1 5-5 0 2 14 1,213 739 474 297 70 55 12 0 3 77 37 5 3

Will Klein Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2024 KC/OAK 18.4% 15.8% .387 .516 .990 .426 .480 .480 .335 .401 .393 .445 89.3 83.6 7.8 6.70
2025 LAD 30.0% 14.3% .246 .316 .687 .317 .378 .378 .202 .278 .313 .300 89.0 96.6 5.4 3.07
2026 LAD 25.9% 11.1% .267 .345 .705 .319 .363 .379 .244 .302 .334 .354 88.5 85.0 6.0 3.77
RP MLB Percentile 72 30 27 70 51 42 7 10 39 62 3 51 33 93 89 62
RP MLB AVG 22.7% 9.8% .241 .389 .712 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 4.16
Career 25.9% 12.5% .277 .360 .737 .333 .383 .393 .246 .310 .338 .357 88.7 86.2 6.1 3.94

Will Klein 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%
2024 KC/OAK56.9% (97.0)--13.7% (87.6)-29.5% (86.5)--- 56.8% 43.2%
2025 LAD57.4% (97.9)-16.1% (92.6)0.3% (91.8)4.3% (90.7)22.0% (85.7)--- 57.4% 42.6%
2026 LAD50.9% (97.5)--4.6% (91.3)28.4% (88.6)16.1% (85.0)--- 50.9% 49.1%
RP MLB Percentile 78 (88) - - 2 (98) 76 (99) 62 (91) - - - 54.6% 44.6%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.6% (89.4) 25.9% (86.1) 20.7% (82.3) 15.3% (80.3) 17.7% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career53.3% (97.6)-4.0% (92.6)4.6% (90.0)18.9% (88.7)19.2% (85.5)--- 53.3% 46.7%

Will Klein Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2024 KC/OAK32.5% (6)--20.0% (1)-20.9% (4)--- 32.5% 20.6%
2025 LAD29.1% (20)-28.6% (7)0.0% (0)7.7% (1)25.4% (8)--- 29.1% 24.6%
2026 LAD32.7% (34)--25.7% (3)30.1% (33)21.1% (8)--- 32.7% 26.7%
RP MLB Percentile 90 (33) - - 24 (88) 58 (19) 21 (43) - - - 91.1% 31.4%
RP MLB AVG 27.2% (32) 27.6% (13) 26.9% (15) 29.7% (28) 28.4% (20) 27.3% (15) 22.3% (21) 22.6% (21) 19.3% (9) 27.9% 28.8%
Career31.7% (60)-28.6% (7)23.2% (4)28.8% (34)22.3% (20)--- 31.7% 25.6%

Will Klein 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%
2024 KC/OAK 44.0% 28.0% 28.0% 0.0% 40.0% 48.0% 20.0% 32.0% 11.6% 60.0% 28.0% 8.0% 4.0% 40.0%
2025 LAD 52.8% 30.6% 11.1% 8.3% 41.7% 40.5% 35.1% 24.3% 19.3% 64.0% 27.8% 2.8% 5.6% 35.1%
2026 LAD 57.9% 18.4% 17.5% 6.1% 30.7% 31.9% 38.8% 29.3% 17.7% 62.3% 33.3% 2.6% 1.8% 37.1%
RP MLB Percentile 93 77 9 14 78 4 87 79 41 45 3 91 98 47
RP MLB AVG 44.0% 21.7% 24.1% 10.2% 34.6% 40.9% 33.7% 25.4% 18.1% 63.0% 24.5% 5.8% 6.8% 36.8%
Career 54.9% 22.3% 17.7% 5.7% 34.3% 36.0% 35.4% 28.7% 17.4% 62.3% 31.4% 3.4% 2.9% 37.1%

Will Klein 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%
2024 KC/OAK .387 .426 .480 .480 .335 .401 .393 .445 89.3 83.6 7.8 0.0% 40.0% 26.3%
2025 LAD .246 .317 .378 .378 .202 .278 .313 .300 89.0 96.6 5.4 0.0% 35.1% 18.6%
2026 LAD .267 .319 .363 .379 .244 .302 .334 .354 88.5 85.0 6.0 15.0% 37.1% 22.8%
RP MLB Percentile 27 42 7 10 39 62 3 51 33 93 89 58 47 65
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .277 .333 .383 .393 .246 .310 .338 .357 88.7 86.2 6.1 9.7% 37.1% 22.2%

Will Klein 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
2024 KC/OAK 44.5% 56.2% 36.3% 17.3% 20.8% 11.6% 79.2% 92.3% 42.9% 19.9% 7.5% 27.4% 17.1% 47.9% 0.33 42.5%
2025 LAD 41.0% 58.7% 43.3% 28.9% 27.3% 19.3% 72.7% 83.8% 55.8% 15.4% 11.8% 27.2% 12.1% 54.1% 0.48 50.2%
2026 LAD 44.1% 62.7% 43.2% 30.3% 23.7% 17.7% 76.3% 89.0% 56.6% 19.6% 10.2% 29.8% 15.2% 57.0% 0.55 51.4%
RP MLB Percentile 42 34 11 38 39 41 39 9 61 93 27 68 19 29 64 52
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.1% 74.4% 83.9% 58.5% 16.4% 12.2% 28.5% 17.1% 58.3% 0.50 51.2%
Career 43.4% 60.9% 42.4% 28.4% 24.3% 17.4% 75.7% 88.1% 55.4% 18.5% 10.3% 28.9% 14.7% 55.2% 0.50 50.0%

Will Klein Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2024 KC/OAK 44.5% 22.6% 31.5% 45.9% 38.4% 23.3% 38.4% 32.2% 36.3% 7.5%
2025 LAD 41.0% 19.3% 28.2% 52.5% 50.2% 21.0% 28.9% 36.4% 35.4% 4.3%
2026 LAD 44.1% 25.9% 28.1% 46.1% 43.7% 22.2% 34.1% 30.3% 41.6% 7.6%
RP MLB Percentile 42 7 35 89 83 58 17 55 36 81
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 43.4% 23.8% 28.5% 47.7% 44.7% 22.0% 33.3% 32.1% 39.4% 6.8%

Will Klein Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2024 KC/OAK 58.2% 14.4% 27.4% 18.8% 73.7% 55.3% 23.5% 5.0% 17.5%
2025 LAD 51.8% 13.1% 35.1% 10.1% 58.6% 45.7% 21.5% 22.4% 19.6%
2026 LAD 58.1% 13.5% 29.0% 12.9% 58.9% 52.6% 23.5% 28.1% 22.2%
RP MLB Percentile 41 24 33 24 30 68 76 65 78
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.7% 19.3%
Career 56.6% 13.5% 30.3% 13.0% 60.7% 51.3% 23.0% 23.9% 20.9%

Will Klein PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2024 KC/OAK 146 5.01 44.5% 19.2% 36.3% 8.2% 3.4% 5.4 +6 4.04
2025 LAD 305 4.99 49.5% 14.8% 35.7% 13.8% 1.6% 1.2 +1 3.87
2026 LAD 762 4.94 49.3% 15.1% 35.6% 13.8% 2.6% 2.6 +8 3.84
RP MLB Percentile 47 48 85 15 62 62 90 38 13 33
RP MLB AVG 884 4.94 45.9% 17.3% 36.8% 9.1% 4.7% 0.6 -1 3.56
Career 1,213 4.96 48.8% 15.5% 35.7% 13.1% 2.5% 9.2 +15 3.87
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