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Jonathan Bowlan

#52 - Relief Pitcher

Philadelphia Phillies

Bats / Throws Right / Right
Date of Birth 12/1/1996 (29)
Height, Weight 6'6", 240 lb
Hometown Arlington, TN

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 15.1 4.70 1.24 23.4% 6.3%
127th 1
Sv
223rd 17.0
IP
219th 4.68
ERA
123rd 1.45
WHIP
95th 21.9%
K%
24th 10.7%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
97.2 15.8% 30.1% 49.2% 2.3% 5.03 3.31
34th 94.2
FB MPH
48th 11.9%
SwStr%
105th 28.5%
CSW%
199th 50.2%
Str-ICR
52nd 4.5%
MTK%
103rd 4.93
PLV
133rd 3.65
PLA
Holds List
Rank
70th
Saves+Holds List
Rank
98th

Articles

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5/18/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/18Rick Graham

5/17/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/17Rick Graham

5/16/2026Fantasy Baseball Relief Pitcher Roundup: 5/15Rick Graham

See More Articles
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Jonathan Bowlan 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
2023 KC 2 1 3.0 0-1 0 0 3.00 1.67 5.93 5.59 4.65 3.17 21.4% 0.0% 15.0 3.00 .400 25.0% 100.0% 36.4% 20.0% 17.9% 25.0% 0.43 5.22
2024 KC 1 1 2.2 0-1 0 0 13.50 3.38 18.03 22.26 8.86 6.10 17.6% 17.6% 20.3 10.13 .375 75.0% 100.0% 45.5% 36.4% 13.2% 30.9% 0.56 4.81
2025 KC 34 1 44.1 1-2 0 2 3.86 1.22 3.83 3.97 3.76 3.13 25.6% 9.4% 7.5 1.22 .282 21.4% 72.4% 33.3% 48.7% 16.2% 31.1% 0.56 5.03
2026 PHI 15 0 15.1 1-0 0 0 4.70 1.24 2.02 1.92 3.57 3.31 23.4% 6.3% 8.8 0.00 .333 0.0% 52.6% 37.8% 46.7% 15.8% 30.1% 0.50 5.03
RP MLB Percentile 49 0 35 47-57 0 0 38 64 96 96 81 62 70 92 34 78 22 78 6 32 48 86 69 62 69
RP MLB AVG 14 1 17.0 1-1 1 2 4.68 1.45 4.43 4.44 4.45 3.65 21.9% 10.7% 8.7 1.07 .295 17.1% 71.3% 37.5% 44.7% 11.9% 28.5% 0.49 4.93
Career 52 3 65.1 2-4 0 2 4.41 1.33 4.08 4.18 3.92 3.29 24.4% 8.7% 8.7 1.38 .306 21.3% 71.2% 35.3% 45.9% 16.0% 30.5% 0.54 5.03

Jonathan Bowlan Repertoire

2023 2024 2025 2026 All
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Jonathan Bowlan Game Log

Jonathan Bowlan 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
2023 KC 2 1 3.0 0-1 0 0 0 56 37 19 14 5 4 0 0 1 3 0 0 0
2024 KC 1 1 2.2 0-1 0 0 0 68 43 25 17 6 3 0 0 3 3 3 0 0
2025 KC 34 1 44.1 1-2 0 0 2 727 458 269 180 37 22 9 0 6 46 17 0 1
2026 PHI 15 0 15.1 1-0 0 0 0 266 165 101 64 15 13 1 1 0 15 4 0 0
RP MLB Percentile 49 0 35 47-57 0 0 0 38 38 58 34 43 24 72 3 78 46 81 55 46
RP MLB AVG 14 1 17.0 1-1 0 1 2 296 187 109 76 16 11 3 0 2 17 8 1 1
Career 52 3 65.1 2-4 0 0 2 1,117 703 414 275 63 42 10 1 10 67 24 0 1

Jonathan Bowlan Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2023 KC 21.4% 0.0% .357 .571 .928 .395 .400 .455 .356 .399 .412 .519 83.3 85.5 19.5 5.93
2024 KC 17.6% 17.6% .429 1.071 1.600 .639 .375 .545 .460 .658 .440 .830 85.7 91.9 18.9 18.03
2025 KC 25.6% 9.4% .230 .398 .700 .305 .282 .319 .226 .306 .272 .367 86.3 90.9 9.6 3.83
2026 PHI 23.4% 6.3% .259 .310 .607 .272 .333 .333 .203 .226 .256 .259 85.5 82.7 15.0 2.02
RP MLB Percentile 70 92 31 67 69 73 22 32 77 96 68 91 75 92 40 96
RP MLB AVG 21.9% 10.7% .244 .389 .723 .323 .295 .323 .238 .324 .284 .363 88.1 89.3 12.9 4.43
Career 24.4% 8.7% .255 .425 .743 .328 .306 .344 .241 .319 .283 .384 85.9 88.6 12.0 4.08

Jonathan Bowlan 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%
2023 KC 37.5% (94.8) 12.5% (94.7) - 41.1% (85.7) - 1.8% (76.7) 5.4% (87.3) - - 50.0% 48.2%
2024 KC 44.1% (95.6) 19.1% (95.1) - 19.1% (86.0) - 13.2% (84.0) 4.4% (87.9) - - 63.2% 36.8%
2025 KC 33.4% (95.5) 17.3% (96.1) - 31.2% (85.8) - 9.6% (81.0) 8.4% (88.4) - - 50.8% 49.2%
2026 PHI 41.0% (97.2) 13.5% (97.4) - 12.8% (86.7) 14.7% (84.6) 3.0% (82.4) 15.0% (90.2) - - 54.5% 45.5%
RP MLB Percentile 60 (89) 25 (90) - 18 (59) 32 (76) 6 (66) 46 (87) - - 75.6% 24.7%
RP MLB AVG 35.7% (94.2) 26.7% (93.8) 20.5% (89.3) 26.8% (85.4) 22.9% (82.5) 17.4% (80.4) 18.5% (86.1) 19.8% (86.3) 31.8% (68.1) 47.9% 52.0%
Career 36.1% (95.9) 16.3% (96.3) - 26.6% (85.9) 3.5% (85.9) 7.9% (81.4) 9.6% (89.0) - - 52.4% 47.5%

Jonathan Bowlan 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%
2023 KC 19.0% (3) 0.0% (0) - 43.5% (7) - 0.0% (0) 0.0% (0) - - 14.3% 37.0%
2024 KC 26.7% (5) 53.8% (1) - 30.8% (2) - 22.2% (1) 0.0% (0) - - 34.9% 24.0%
2025 KC 37.9% (54) 25.4% (12) - 34.4% (45) - 21.4% (3) 14.8% (4) - - 33.6% 28.5%
2026 PHI 33.9% (19) 33.3% (2) - 29.4% (8) 25.6% (5) 12.5% (0) 25.0% (8) - - 33.8% 25.6%
RP MLB Percentile 86 (12) 73 (61) - 45 (40) 37 (52) 11 (84) 61 (33) - - 87.2% 28.7%
RP MLB AVG 26.6% (9) 27.9% (5) 27.1% (6) 29.9% (10) 27.7% (9) 26.8% (6) 22.2% (8) 25.5% (10) 23.3% (6) 28.0% 28.4%
Career 35.0% (81) 28.0% (15) - 34.3% (62) 25.6% (5) 20.5% (4) 17.8% (12) - - 32.8% 28.1%

Jonathan Bowlan 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
2023 KC 20.0% 30.0% 40.0% 10.0% 50.0% 18.2% 45.5% 36.4% 21.4% 60.0% 30.0% 0.0% 10.0% 36.4%
2024 KC 36.4% 18.2% 36.4% 9.1% 36.4% 54.5% 27.3% 18.2% 16.2% 54.6% 27.3% 9.1% 9.1% 45.5%
2025 KC 48.7% 21.4% 23.9% 6.0% 33.3% 42.7% 29.1% 28.2% 15.8% 66.7% 20.5% 3.4% 9.4% 33.3%
2026 PHI 46.7% 17.8% 24.4% 11.1% 31.1% 40.0% 31.1% 28.9% 15.0% 62.2% 26.7% 8.9% 2.2% 37.8%
RP MLB Percentile 48 61 64 51 63 57 45 47 27 35 26 16 86 32
RP MLB AVG 44.7% 21.3% 23.9% 10.1% 34.1% 41.4% 33.9% 24.7% 17.4% 62.2% 24.4% 6.1% 7.3% 37.5%
Career 45.9% 20.8% 25.7% 7.7% 33.9% 41.3% 30.4% 28.3% 15.9% 64.5% 23.0% 4.9% 7.7% 35.3%

Jonathan Bowlan 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%
2023 KC .357 .395 .400 .455 .356 .399 .412 .519 83.3 85.5 19.5 25.0% 36.4% 28.6%
2024 KC .429 .639 .375 .545 .460 .658 .440 .830 85.7 91.9 18.9 75.0% 45.5% 29.4%
2025 KC .230 .305 .282 .319 .226 .306 .272 .367 86.3 90.9 9.6 21.4% 33.3% 21.7%
2026 PHI .259 .272 .333 .333 .203 .226 .256 .259 85.5 82.7 15.0 0.0% 37.8% 26.6%
RP MLB Percentile 31 73 22 32 77 96 68 91 75 92 40 78 32 25
RP MLB AVG .244 .323 .295 .323 .238 .324 .284 .363 88.1 89.3 12.9 17.1% 37.5% 24.7%
Career .255 .328 .306 .344 .241 .319 .283 .384 85.9 88.6 12.0 21.3% 35.3% 23.6%

Jonathan Bowlan 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
2023 KC 53.6% 66.1% 58.9% 23.1% 30.3% 21.4% 69.7% 77.8% 33.3% 7.1% 17.9% 25.0% 19.6% 57.1% 0.43 51.8%
2024 KC 45.6% 63.2% 45.6% 29.7% 29.0% 16.2% 71.0% 80.0% 54.5% 17.6% 13.2% 30.9% 16.2% 54.4% 0.56 48.5%
2025 KC 41.5% 63.0% 48.1% 33.9% 33.7% 15.8% 66.3% 77.2% 50.7% 14.9% 16.2% 31.1% 16.1% 57.9% 0.56 52.3%
2026 PHI 39.8% 62.0% 47.7% 35.0% 33.1% 15.0% 66.9% 76.1% 55.4% 14.3% 15.8% 30.1% 16.9% 56.4% 0.50 49.2%
RP MLB Percentile 13 44 64 83 86 27 86 88 60 26 86 69 43 39 62 43
RP MLB AVG 44.3% 63.0% 46.4% 30.6% 25.5% 17.4% 74.5% 84.0% 58.6% 16.6% 11.9% 28.5% 17.0% 57.5% 0.49 50.2%
Career 42.0% 62.9% 48.4% 33.5% 33.1% 15.9% 66.9% 77.2% 51.6% 14.5% 16.0% 30.5% 16.5% 57.3% 0.54 51.3%

Jonathan Bowlan Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2023 KC 53.6% 32.7% 30.9% 36.4% 30.9% 23.6% 45.5% 16.4% 52.7% 3.6%
2024 KC 45.6% 45.6% 27.9% 26.5% 30.9% 26.5% 42.6% 33.8% 38.2% 7.4%
2025 KC 41.5% 38.1% 23.5% 38.4% 34.7% 20.9% 44.4% 30.3% 46.2% 5.8%
2026 PHI 39.8% 35.7% 26.7% 37.6% 41.4% 21.4% 37.2% 28.9% 44.4% 8.3%
RP MLB Percentile 13 46 37 44 80 63 22 33 57 90
RP MLB AVG 44.3% 34.9% 26.7% 38.3% 36.1% 22.9% 41.0% 30.6% 42.7% 6.4%
Career 42.0% 37.7% 24.9% 37.4% 35.8% 21.5% 42.7% 29.5% 45.6% 6.4%

Jonathan Bowlan Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2023 KC 64.3% 1.8% 33.9% 19.4% 50.0% 35.7% 8.3% 10.5% 15.8%
2024 KC 60.3% 7.4% 32.4% 14.6% 58.8% 58.8% 26.8% 18.2% 13.6%
2025 KC 56.7% 12.5% 30.8% 13.6% 67.0% 54.9% 18.4% 29.9% 20.5%
2026 PHI 60.9% 8.3% 30.8% 14.8% 58.2% 50.7% 19.8% 29.3% 18.3%
RP MLB Percentile 69 95 73 54 39 64 44 74 49
RP MLB AVG 58.6% 12.8% 29.2% 14.3% 60.1% 49.5% 21.1% 26.0% 19.2%
Career 58.3% 10.7% 31.1% 14.3% 63.6% 53.2% 18.7% 28.0% 19.3%

Jonathan Bowlan PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2023 KC 56 5.22 44.6% 25.0% 30.4% 14.3% 3.6% 1.5 +2 3.17
2024 KC 68 4.81 36.8% 30.9% 32.4% 4.4% 5.9% 5.2 +2 6.10
2025 KC 727 5.03 45.9% 19.8% 34.3% 11.7% 4.7% 2.4 -1 3.13
2026 PHI 266 5.03 47.7% 16.5% 35.7% 12.0% 2.3% -1.8 +2 3.31
RP MLB Percentile 38 69 61 48 62 62 85 66 24 62
RP MLB AVG 296 4.93 46.1% 16.9% 37.0% 9.2% 4.5% 0.5 +0 3.65
Career 1,117 5.03 45.7% 20.0% 34.3% 11.5% 4.1% 7.3 +5 3.29
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