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Colin Selby

#60 - Relief Pitcher

Baltimore Orioles

Bats / Throws Right / Right
Date of Birth 10/24/1997 (28)
Height, Weight 6'2", 220 lb
Hometown Chesapeake, VA

2025 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 14.0 3.21 1.29 23.3% 3.3%
277th 3
Sv
356th 51.0
IP
122nd 4.19
ERA
181st 1.32
WHIP
155th 22.9%
K%
10th 9.3%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
95.5 14.5% 29.0% 50.5% 8.4% 4.78 3.71
90th 94.6
FB MPH
86th 12.5%
SwStr%
148th 28.7%
CSW%
194th 50.8%
Str-ICR
336th 5.8%
MTK%
334th 5.00
PLV
268th 3.24
PLA

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Colin Selby Overview

Hide 2025 MLB Percentile | Hide 2025 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 PIT 21 5 24.0 2-2 0 3 9.00 1.83 4.95 4.80 4.22 4.66 26.3% 13.2% 10.9 1.50 .391 26.7% 52.1% 43.5% 53.6% 12.4% 31.6% 0.55 4.77
2024 BAL/KC 5 0 7.0 0-0 0 0 2.57 1.00 2.36 3.88 4.22 4.18 17.9% 14.3% 3.9 0.00 .167 0.0% 62.5% 27.8% 66.7% 8.0% 25.0% 0.30 4.71
2025 BAL 11 0 14.0 0-2 0 0 3.21 1.29 3.27 3.42 3.66 3.71 23.3% 3.3% 10.3 1.29 .333 16.7% 85.5% 34.1% 46.5% 14.5% 29.0% 0.46 4.78
RP MLB Percentile 4 34 1 9-56 24 9 66 50 77 75 77 26 58 97 16 34 20 51 93 81 63 76 59 33 8
RP MLB AVG 42 2 51.0 3-3 3 7 4.19 1.32 4.19 4.16 4.20 3.24 22.9% 9.3% 8.3 1.11 .291 18.1% 72.4% 38.1% 44.2% 12.5% 28.7% 0.51 5.00
Career 37 5 45.0 2-4 0 3 6.20 1.53 4.03 4.23 4.05 4.29 24.3% 10.4% 9.6 1.20 .339 21.4% 61.7% 38.2% 53.1% 12.3% 29.9% 0.49 4.76

Colin Selby Repertoire

2023 2024 2025 All
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Colin Selby Game Log

Colin Selby 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 PIT 21 5 24.0 2-2 0 0 3 437 269 168 114 29 23 2 0 4 30 15 0 3
2024 BAL/KC 5 0 7.0 0-0 0 0 0 112 63 49 28 3 3 0 0 0 5 4 1 1
2025 BAL 11 0 14.0 0-2 0 0 0 214 138 76 60 16 11 3 0 2 14 2 0 0
RP MLB Percentile 4 34 1 9-56 47 24 9 2 2 99 2 95 92 91 73 89 3 98 90 88
RP MLB AVG 42 2 51.0 3-3 0 3 7 840 539 302 216 46 30 9 1 6 50 19 2 2
Career 37 5 45.0 2-4 0 0 3 763 470 293 202 48 37 5 0 6 49 21 1 4

Colin Selby 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 PIT 26.3% 13.2% .296 .439 .828 .362 .391 .426 .249 .336 .314 .404 87.5 88.7 3.9 4.95
2024 BAL/KC 17.9% 14.3% .130 .130 .416 .219 .167 .167 .146 .238 .186 .177 90.1 83.6 4.1 2.36
2025 BAL 23.3% 3.3% .276 .431 .731 .315 .333 .364 .232 .287 .277 .362 90.8 91.1 7.3 3.27
RP MLB Percentile 58 97 24 31 38 42 20 20 54 77 58 49 10 - 83 77
RP MLB AVG 22.9% 9.3% .241 .393 .712 .310 .291 .321 .238 .314 .283 .363 88.4 89.8 13.0 4.19
Career 24.3% 10.4% .268 .397 .745 .329 .339 .369 .230 .309 .283 .361 89.0 89.5 5.0 4.03

Colin Selby 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 PIT 0.2% (97.4) 46.2% (96.6) - 36.4% (88.4) - 17.2% (82.7) - - - 46.5% 53.5%
2024 BAL/KC 26.8% (94.7) 32.1% (95.4) - 19.6% (88.2) - 21.4% (82.3) - - - 58.9% 41.1%
2025 BAL 15.0% (95.8) 42.1% (95.5) - 16.8% (88.1) - 26.2% (83.2) - - - 57.0% 43.0%
RP MLB Percentile - 79 (72) - 19 (80) - 81 (77) - - - 76.0% 24.3%
RP MLB AVG 40.6% (94.6) 27.5% (93.9) 20.4% (89.5) 27.9% (85.9) 21.2% (82.2) 16.9% (79.8) 16.4% (86.2) 18.4% (86.5) 16.9% (64.1) 48.0% 51.9%
Career 8.3% (95.3) 43.0% (96.2) - 28.4% (88.3) - 20.3% (82.8) - - - 51.2% 48.8%

Colin Selby 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 PIT 0.0% (0) 31.2% (13) - 33.3% (28) - 29.3% (13) - - - 31.0% 32.1%
2024 BAL/KC 16.7% (1) 36.1% (6) - 22.7% (0) - 20.8% (2) - - - 27.3% 21.7%
2025 BAL 21.9% (4) 24.4% (9) - 41.7% (10) - 32.1% (8) - - - 23.8% 35.9%
RP MLB Percentile 24 (-) 25 (42) - 95 (68) - 65 (49) - - - 13.0% 91.7%
RP MLB AVG 27.6% (33) 27.9% (12) 26.1% (16) 29.7% (30) 28.7% (20) 28.2% (17) 22.0% (17) 23.4% (22) 14.2% (0) 28.0% 28.9%
Career 19.0% (5) 29.9% (28) - 33.6% (38) - 29.0% (23) - - - 28.1% 31.7%

Colin Selby 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 PIT 53.6% 20.3% 21.7% 4.3% 29.0% 50.7% 27.5% 21.7% 14.2% 56.5% 27.5% 5.8% 10.1% 43.5%
2024 BAL/KC 66.7% 11.1% 5.6% 16.7% 16.7% 66.7% 16.7% 16.7% 15.2% 72.2% 22.2% 5.6% 0.0% 27.8%
2025 BAL 46.5% 25.6% 27.9% 0.0% 37.2% 45.5% 27.3% 27.3% 15.0% 65.1% 14.0% 7.0% 14.0% 34.1%
RP MLB Percentile 63 16 74 2 33 78 8 66 10 77 98 39 4 81
RP MLB AVG 44.2% 22.0% 23.8% 10.1% 35.1% 40.8% 33.7% 25.5% 18.0% 61.7% 24.4% 6.3% 7.6% 38.1%
Career 53.1% 20.8% 21.5% 4.6% 30.0% 51.1% 26.0% 22.9% 14.5% 61.5% 22.3% 6.2% 10.0% 38.2%

Colin Selby 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 PIT .296 .362 .391 .426 .249 .336 .314 .404 87.5 88.7 3.9 26.7% 43.5% 26.3%
2024 BAL/KC .130 .219 .167 .167 .146 .238 .186 .177 90.1 83.6 4.1 0.0% 27.8% 17.9%
2025 BAL .276 .315 .333 .364 .232 .287 .277 .362 90.8 91.1 7.3 16.7% 34.1% 25.0%
RP MLB Percentile 24 42 20 20 54 77 58 49 10 - 83 51 81 51
RP MLB AVG .241 .310 .291 .321 .238 .314 .283 .363 88.4 89.8 13.0 18.1% 38.1% 25.4%
Career .268 .329 .339 .369 .230 .309 .283 .361 89.0 89.5 5.0 21.4% 38.2% 24.8%

Colin Selby 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 PIT 41.4% 61.6% 42.3% 25.8% 29.2% 14.2% 70.8% 86.6% 42.4% 19.2% 12.4% 31.6% 15.8% 54.9% 0.55 47.8%
2024 BAL/KC 42.9% 56.3% 39.3% 28.1% 20.5% 15.2% 79.5% 96.2% 55.6% 17.0% 8.0% 25.0% 16.1% 53.6% 0.30 47.3%
2025 BAL 51.4% 64.5% 50.0% 30.8% 29.0% 15.0% 71.0% 85.3% 37.5% 14.5% 14.5% 29.0% 20.6% 57.0% 0.46 50.5%
RP MLB Percentile 90 59 74 58 71 10 71 33 96 26 76 59 93 31 33 47
RP MLB AVG 47.0% 63.9% 47.7% 30.2% 26.2% 18.0% 73.8% 82.9% 56.2% 16.2% 12.5% 28.7% 17.1% 58.4% 0.51 50.8%
Career 44.4% 61.6% 44.0% 27.4% 28.0% 14.5% 72.0% 87.3% 43.1% 17.6% 12.3% 29.9% 17.2% 55.3% 0.49 48.5%

Colin Selby Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2023 PIT 41.4% 28.8% 24.3% 46.9% 28.8% 23.3% 47.8% 30.0% 45.8% 5.9%
2024 BAL/KC 42.9% 38.4% 24.1% 37.5% 25.0% 13.4% 61.6% 43.8% 32.1% 2.7%
2025 BAL 51.4% 31.3% 36.0% 32.7% 26.2% 22.4% 51.4% 28.0% 36.0% 8.9%
RP MLB Percentile 90 31 2 16 30 79 80 42 9 93
RP MLB AVG 47.0% 34.2% 26.4% 39.4% 30.5% 25.1% 44.4% 29.4% 44.2% 7.0%
Career 44.4% 30.9% 27.5% 41.5% 27.5% 21.6% 50.9% 31.5% 41.0% 6.3%

Colin Selby 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 PIT 60.2% 14.6% 26.5% 13.3% 53.1% 42.5% 24.7% 25.9% 25.9%
2024 BAL/KC 61.6% 19.6% 18.8% 8.7% 50.0% 42.9% 21.7% 38.1% 23.8%
2025 BAL 63.6% 9.8% 26.6% 20.6% 61.7% 50.0% 19.1% 24.6% 24.6%
RP MLB Percentile 96 83 11 97 55 49 33 57 89
RP MLB AVG 58.6% 11.9% 30.2% 14.4% 61.3% 50.4% 21.0% 24.2% 19.4%
Career 61.3% 14.0% 25.4% 14.7% 55.2% 44.8% 22.6% 26.8% 25.3%

Colin Selby PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2023 PIT 437 4.77 40.5% 18.8% 40.7% -0.2% 6.6% 5.1 +7 4.66
2024 BAL/KC 112 4.71 47.3% 12.5% 40.2% 7.1% 3.6% -1.6 -1 4.18
2025 BAL 214 4.78 38.8% 21.0% 40.2% -1.4% 8.4% 1.7 +5 3.71
RP MLB Percentile 2 8 4 90 10 10 7 61 41 26
RP MLB AVG 840 5.00 46.2% 18.1% 35.8% 10.4% 5.8% 4.7 +4 3.24
Career 763 4.76 41.0% 18.5% 40.5% 0.5% 6.7% 5.2 +11 4.29
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