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Seth Halvorsen

#56 - Relief Pitcher

Los Angeles Dodgers

Bats / Throws Right / Right
Date of Birth 2/18/2000 (26)
Height, Weight 6'2", 243 lb
Hometown Chicago, IL

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 29.0 5.90 1.72 16.4% 12.1%
221st 3
Sv
283rd 52.0
IP
305th 4.19
ERA
322nd 1.34
WHIP
301st 22.7%
K%
266th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.9 10.0% 22.3% 45.1% 4.6% 4.66 4.85
12th 94.7
FB MPH
261st 12.2%
SwStr%
349th 28.5%
CSW%
340th 51.2%
Str-ICR
166th 4.7%
MTK%
338th 4.94
PLV
337th 3.56
PLA
Saves+Holds List
Rank
198th

Articles

9/21/2026MLB News & Moments: Will the AL West Make History?Steve Drumwright

9/20/2026Fantasy Baseball Relief Pitcher Roundup: 9/19Rick Graham

9/18/2026Fantasy Baseball Relief Pitcher Roundup: 9/17Rick Graham

9/17/2026Fantasy Baseball Relief Pitcher Roundup: 9/16Rick Graham

9/13/2026Fantasy Baseball Relief Pitcher Roundup: 9/12Rick Graham

See More Articles
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Seth Halvorsen 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 COL 12 0 12.1 2-1 2 2 1.46 0.81 2.75 3.91 2.94 2.45 28.3% 4.3% 5.8 1.46 .214 33.3% 97.6% 23.3% 48.3% 15.7% 33.7% 0.69 5.18
2025 COL 42 0 39.2 1-2 11 4 4.99 1.56 5.72 5.23 4.40 3.68 20.9% 11.6% 9.3 1.59 .315 29.2% 69.0% 32.8% 56.5% 14.2% 28.6% 0.46 4.82
2026 COL/LAD 32 0 29.0 1-2 0 2 5.90 1.72 6.31 6.17 5.21 4.85 16.4% 12.1% 10.2 1.86 .290 28.6% 75.7% 40.4% 49.0% 10.0% 22.3% 0.27 4.66
RP MLB Percentile 33 0 18 12-49 0 28 13 7 2 5 10 4 13 23 12 9 47 8 62 18 72 23 0 1 3
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 86 0 81.0 4-5 13 8 4.78 1.51 5.48 5.35 4.46 3.91 20.1% 10.9% 9.1 1.67 .293 29.4% 74.0% 34.7% 52.5% 12.7% 26.8% 0.42 4.80

Seth Halvorsen Repertoire

2024 2025 2026 All
Hide MLB Percentile | Hide MLB Average

Seth Halvorsen Game Log

Seth Halvorsen 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 COL 12 0 12.1 2-1 0 2 2 178 120 58 46 8 6 0 0 2 13 2 1 0
2025 COL 42 0 39.2 1-2 0 11 4 636 398 238 172 41 23 10 1 7 36 20 0 3
2026 COL/LAD 32 0 29.0 1-2 0 0 2 521 315 206 140 33 20 6 1 6 23 17 1 3
RP MLB Percentile 33 0 18 12-49 0 0 28 21 19 74 24 69 71 59 22 37 14 57 64 21
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 86 0 81.0 4-5 0 13 8 1,335 833 502 358 82 49 16 2 15 72 39 2 6

Seth Halvorsen 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 COL 28.3% 4.3% .186 .326 .565 .250 .214 .267 .217 .263 .295 .335 92.1 79.7 15.4 2.75
2025 COL 20.9% 11.6% .273 .493 .850 .363 .315 .357 .279 .372 .318 .433 88.2 86.6 6.9 5.72
2026 COL/LAD 16.4% 12.1% .270 .484 .848 .366 .290 .333 .298 .388 .329 .429 89.6 89.8 11.4 6.31
RP MLB Percentile 13 23 24 11 12 12 47 36 2 2 5 7 15 43 62 2
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 20.1% 10.9% .260 .467 .812 .351 .293 .336 .278 .366 .319 .421 89.2 87.1 9.8 5.48

Seth Halvorsen Pitch › Mix

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2024 COL37.1% (99.9)19.1% (100.1)-15.7% (88.9)---28.1% (89.4)- 56.2% 43.8%
2025 COL53.8% (100.0)0.6% (99.3)-19.7% (89.4)---25.8% (90.8)- 54.4% 45.4%
2026 COL/LAD60.1% (98.9)1.9% (97.4)-29.0% (86.7)---9.0% (90.7)- 62.0% 38.0%
RP MLB Percentile 92 (96) 0 (90) - 65 (54) - - - 28 (88) - 84.3% 14.9%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.7% (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%
Career54.0% (99.5)3.6% (99.5)-22.8% (88.1)---19.6% (90.5)- 57.6% 42.3%

Seth Halvorsen 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%
2024 COL31.8% (7)38.2% (4)-32.1% (7)---34.0% (10)- 34.0% 33.3%
2025 COL30.4% (40)25.0% (0)-27.2% (22)---26.2% (28)- 30.3% 26.6%
2026 COL/LAD19.2% (16)10.0% (0)-28.5% (29)---25.5% (7)- 18.9% 27.8%
RP MLB Percentile 5 (66) 0 (0) - 41 (32) - - - 57 (50) - 0.3% 41.4%
RP MLB AVG 27.2% (32) 27.6% (13) 26.9% (15) 29.7% (28) 28.5% (20) 27.4% (15) 22.4% (21) 22.6% (21) 19.3% (9) 27.9% 28.8%
Career25.7% (63)31.3% (4)-28.3% (58)---27.6% (45)- 26.0% 28.0%

Seth Halvorsen Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2024 COL 48.3% 20.7% 20.7% 10.3% 31.0% 26.7% 33.3% 40.0% 16.9% 75.8% 13.8% 3.4% 6.9% 23.3%
2025 COL 56.5% 16.5% 20.9% 6.1% 31.3% 46.6% 25.0% 28.4% 15.7% 66.9% 19.1% 4.3% 9.6% 32.8%
2026 COL/LAD 49.0% 22.4% 21.4% 7.1% 35.7% 39.4% 32.3% 28.3% 19.2% 59.1% 29.6% 4.1% 7.1% 40.4%
RP MLB Percentile 72 43 31 24 42 39 36 72 67 18 9 76 38 18
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 52.5% 19.4% 21.1% 7.0% 33.1% 41.2% 29.0% 29.8% 17.2% 64.9% 22.7% 4.1% 8.3% 34.7%

Seth Halvorsen Batted Ball › Outcomes

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2024 COL .186 .250 .214 .267 .217 .263 .295 .335 92.1 79.7 15.4 33.3% 23.3% 15.2%
2025 COL .273 .363 .315 .357 .279 .372 .318 .433 88.2 86.6 6.9 29.2% 32.8% 22.1%
2026 COL/LAD .270 .366 .290 .333 .298 .388 .329 .429 89.6 89.8 11.4 28.6% 40.4% 28.6%
RP MLB Percentile 24 12 47 36 2 2 5 7 15 43 62 8 18 16
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .260 .351 .293 .336 .278 .366 .319 .421 89.2 87.1 9.8 29.4% 34.7% 23.7%

Seth Halvorsen Approach › Plate Discipline

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2024 COL 53.9% 67.4% 49.4% 24.4% 31.8% 16.9% 68.2% 77.9% 35.0% 18.0% 15.7% 33.7% 16.9% 62.9% 0.69 59.6%
2025 COL 45.4% 62.6% 48.1% 32.3% 29.4% 15.7% 70.6% 82.0% 50.9% 14.5% 14.2% 28.6% 18.2% 56.1% 0.46 50.6%
2026 COL/LAD 40.7% 60.5% 48.2% 31.7% 20.7% 19.2% 79.3% 86.3% 68.4% 12.3% 10.0% 22.3% 19.0% 54.1% 0.27 45.1%
RP MLB Percentile 9 12 59 52 17 67 17 32 10 1 23 0 77 5 1 3
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 44.7% 62.4% 48.3% 31.2% 26.4% 17.2% 73.6% 82.9% 57.0% 14.1% 12.7% 26.8% 18.4% 56.3% 0.42 49.7%

Seth Halvorsen Approach › Locations

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2024 COL 53.9% 43.8% 28.1% 28.1% 25.8% 29.2% 44.9% 21.3% 50.6% 9.6%
2025 COL 45.4% 45.4% 24.4% 30.2% 30.2% 23.8% 46.0% 27.9% 47.7% 6.1%
2026 COL/LAD 40.7% 28.6% 31.9% 39.5% 43.8% 20.7% 35.5% 24.2% 44.0% 8.1%
RP MLB Percentile 9 14 6 58 83 79 22 9 54 92
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 44.7% 38.6% 27.8% 33.6% 34.9% 23.3% 41.8% 25.6% 46.6% 7.3%

Seth Halvorsen Approach › Counts

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2024 COL 54.5% 10.7% 36.0% 12.4% 69.6% 56.5% 24.7% 7.8% 20.3%
2025 COL 61.6% 11.3% 27.7% 16.3% 59.9% 47.1% 18.6% 26.1% 20.5%
2026 COL/LAD 61.4% 15.0% 25.1% 15.6% 54.0% 41.7% 14.4% 26.7% 17.6%
RP MLB Percentile 89 9 3 65 5 3 1 51 34
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.7% 19.3%
Career 60.6% 12.7% 27.8% 15.6% 58.8% 46.2% 17.7% 23.2% 19.4%

Seth Halvorsen PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2024 COL 178 5.18 50.0% 16.9% 33.1% 16.9% 6.2% -1.0 -3 2.45
2025 COL 636 4.82 42.1% 20.9% 36.9% 5.2% 5.0% 10.0 +9 3.68
2026 COL/LAD 521 4.66 39.7% 18.6% 41.7% -1.9% 4.6% 3.7 +6 4.85
RP MLB Percentile 21 3 3 69 7 7 48 32 19 4
RP MLB AVG 884 4.94 45.8% 17.4% 36.8% 9.0% 4.7% 0.6 -1 3.56
Career 1,335 4.80 42.2% 19.5% 38.3% 4.0% 5.0% 12.6 +12 3.91
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