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Mason Montgomery

#46 - Relief Pitcher

Pittsburgh Pirates

Bats / Throws Left / Left
Date of Birth 6/17/2000 (26)
Height, Weight 6'2", 205 lb
Hometown Austin, TX

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
15 65.0 2.63 1.03 37.3% 9.9%
24th 3
Sv
80th 51.0
IP
47th 4.21
ERA
31st 1.35
WHIP
4th 22.6%
K%
179th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.5 15.7% 32.5% 57.0% 3.3% 5.14 2.88
23rd 94.7
FB MPH
35th 12.2%
SwStr%
31st 28.5%
CSW%
17th 51.2%
Str-ICR
57th 4.7%
MTK%
25th 4.94
PLV
60th 3.49
PLA
Saves List
Rank
9th
Saves+Holds List
Rank
9th

Articles

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

9/15/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 9/15Rick Graham

9/15/20262026 MLB Power Rankings: Week 25Pablo Figueroa

9/14/2026Fantasy Baseball Relief Pitcher Roundup: 9/13Rick Graham

9/14/20262026 Fantasy Baseball Week 25 FAAB Insights: Who To Bid On And How MuchRyan Clark

See More Articles
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Mason Montgomery 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 TB 9 0 9.2 0-0 0 3 1.86 1.14 3.50 1.10 1.62 2.40 45.9% 13.5% 5.6 0.00 .400 0.0% 81.8% 60.0% 60.0% 24.7% 36.1% 0.81 5.29
2025 TB 57 0 46.0 1-3 1 10 5.67 1.65 4.11 3.92 3.66 3.43 30.1% 12.9% 9.6 1.17 .391 22.2% 65.6% 44.1% 45.3% 18.3% 32.2% 0.67 5.06
2026 PIT 66 5 65.0 6-3 15 9 2.63 1.03 3.03 2.33 2.32 2.88 37.3% 9.9% 5.7 0.69 .271 18.5% 78.7% 36.2% 55.1% 15.7% 32.5% 0.72 5.14
RP MLB Percentile 89 86 75 85-28 93 67 87 89 87 96 99 83 99 47 93 72 63 37 75 50 92 90 91 97 91
RP MLB AVG 41 2 51.0 3-3 3 7 4.21 1.35 4.18 4.20 4.26 3.49 22.6% 9.8% 8.3 1.10 .291 17.7% 72.6% 36.8% 44.0% 12.2% 28.5% 0.50 4.94
Career 132 5 120.2 7-6 16 22 3.73 1.28 3.48 2.84 2.78 3.05 35.0% 11.4% 7.2 0.82 .329 19.6% 72.5% 41.0% 51.1% 17.4% 32.7% 0.71 5.12

Mason Montgomery Repertoire

2024 2025 2026 All
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Mason Montgomery Game Log

Mason Montgomery 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
2024 TB 9 0 9.2 0-0 0 0 3 158 101 57 37 6 3 3 0 0 17 5 0 0
2025 TB 57 0 46.0 1-3 0 1 10 859 559 300 209 49 33 10 0 6 63 27 1 1
2026 PIT 66 5 65.0 6-3 0 15 9 1,107 731 376 263 41 28 8 0 5 98 26 1 2
RP MLB Percentile 89 86 75 85-28 0 93 67 79 81 27 73 48 44 41 48 45 95 26 63 31
RP MLB AVG 41 2 51.0 3-3 0 3 7 850 543 307 218 46 31 9 1 6 49 21 3 2
Career 132 5 120.2 7-6 0 16 22 2,124 1,391 733 509 96 64 21 0 11 178 58 2 3

Mason Montgomery Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2024 TB 45.9% 13.5% .188 .281 .578 .266 .400 .400 .180 .290 .325 .485 91.8 101.5 5.7 3.50
2025 TB 30.1% 12.9% .277 .435 .807 .354 .391 .422 .237 .319 .330 .395 87.6 84.3 11.0 4.11
2026 PIT 37.3% 9.9% .174 .272 .531 .240 .271 .297 .200 .269 .310 .382 86.9 86.9 8.8 3.03
RP MLB Percentile 99 47 95 92 94 95 63 66 85 87 17 27 59 75 81 87
RP MLB AVG 22.6% 9.8% .241 .390 .713 .315 .291 .321 .235 .315 .280 .359 87.7 89.2 13.0 4.18
Career 35.0% 11.4% .216 .338 .646 .290 .329 .357 .213 .292 .319 .395 87.5 86.1 9.6 3.48

Mason Montgomery 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 TB72.8% (97.3)--27.2% (88.6)----- 72.8% 27.2%
2025 TB66.1% (98.7)--33.8% (89.8)----- 66.1% 33.8%
2026 PIT47.4% (98.5)22.4% (98.7)-14.3% (89.6)-13.8% (86.5)2.1% (90.0)-- 69.8% 30.2%
RP MLB Percentile 72 (93) 47 (96) - 21 (94) - 51 (96) 2 (87) - - 95.1% 4.3%
RP MLB AVG 38.7% (94.7) 26.6% (94.0) 19.7% (89.4) 25.8% (86.1) 21.0% (82.4) 15.4% (80.3) 17.5% (86.1) 18.6% (86.6) 42.7% (61.5) 48.7% 51.2%
Career56.9% (98.5)11.7% (98.7)-23.1% (89.6)-7.2% (86.5)1.1% (90.0)-- 68.5% 31.4%

Mason Montgomery 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 TB35.7% (25)--37.2% (14)----- 35.7% 37.2%
2025 TB32.4% (88)--32.1% (69)----- 32.4% 32.1%
2026 PIT31.6% (79)39.9% (38)-28.5% (31)-29.4% (25)21.7% (1)-- 34.3% 28.4%
RP MLB Percentile 83 (5) 97 (7) - 42 (28) - 54 (19) 45 (84) - - 95.1% 46.0%
RP MLB AVG 27.1% (31) 27.4% (12) 26.8% (14) 29.7% (27) 28.2% (19) 27.1% (14) 22.3% (19) 22.2% (20) 19.3% (9) 27.9% 28.8%
Career32.4% (192)39.9% (38)-31.4% (114)-29.4% (25)21.7% (1)-- 33.7% 30.6%

Mason Montgomery 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 TB 60.0% 26.7% 13.3% 0.0% 53.3% 40.0% 46.7% 13.3% 18.4% 40.1% 46.7% 0.0% 13.3% 60.0%
2025 TB 45.3% 24.8% 23.1% 6.8% 35.9% 34.7% 34.7% 30.5% 19.1% 55.6% 33.3% 1.7% 9.4% 44.1%
2026 PIT 55.1% 18.1% 19.6% 7.2% 27.5% 40.6% 31.2% 28.3% 21.0% 63.8% 25.4% 5.1% 5.8% 36.2%
RP MLB Percentile 92 78 16 18 90 44 31 69 89 51 38 59 59 50
RP MLB AVG 44.0% 21.7% 24.2% 10.1% 34.7% 41.0% 33.6% 25.4% 18.2% 62.9% 24.6% 5.8% 6.8% 36.8%
Career 51.1% 21.5% 20.7% 6.7% 32.6% 38.0% 33.6% 28.4% 20.1% 58.9% 30.0% 3.3% 7.8% 41.0%

Mason Montgomery 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 TB .188 .266 .400 .400 .180 .290 .325 .485 91.8 101.5 5.7 0.0% 60.0% 24.3%
2025 TB .277 .354 .391 .422 .237 .319 .330 .395 87.6 84.3 11.0 22.2% 44.1% 24.9%
2026 PIT .174 .240 .271 .297 .200 .269 .310 .382 86.9 86.9 8.8 18.5% 36.2% 19.0%
RP MLB Percentile 95 95 63 66 85 87 17 27 59 75 81 37 50 91
RP MLB AVG .241 .315 .291 .321 .235 .315 .280 .359 87.7 89.2 13.0 17.7% 36.8% 24.4%
Career .216 .290 .329 .357 .213 .292 .319 .395 87.5 86.1 9.6 19.6% 41.0% 21.8%

Mason Montgomery 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 TB 44.3% 63.9% 52.5% 31.8% 47.0% 18.4% 53.0% 60.0% 39.3% 11.4% 24.7% 36.1% 9.5% 60.1% 0.81 52.5%
2025 TB 47.7% 65.1% 51.1% 34.1% 35.8% 19.1% 64.2% 72.3% 49.0% 14.0% 18.3% 32.2% 13.7% 59.4% 0.67 53.0%
2026 PIT 45.7% 66.0% 49.2% 35.3% 31.9% 21.0% 68.1% 78.7% 51.4% 16.8% 15.7% 32.5% 12.5% 62.3% 0.72 57.0%
RP MLB Percentile 68 82 70 80 89 89 89 88 81 60 90 91 2 92 97 94
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.2% 74.4% 84.0% 58.5% 16.4% 12.2% 28.5% 17.1% 58.4% 0.50 51.2%
Career 46.4% 65.5% 50.2% 34.5% 34.7% 20.1% 65.3% 74.4% 49.6% 15.3% 17.4% 32.7% 12.8% 61.0% 0.71 55.0%

Mason Montgomery Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2024 TB 44.3% 17.7% 34.8% 47.5% 48.1% 17.1% 34.8% 34.2% 31.0% 6.3%
2025 TB 47.7% 16.1% 32.2% 51.7% 41.5% 23.0% 35.5% 39.5% 28.3% 8.0%
2026 PIT 45.7% 23.3% 33.4% 43.3% 43.0% 23.1% 33.9% 32.5% 34.1% 8.7%
RP MLB Percentile 68 3 1 79 79 38 15 73 3 97
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 46.4% 20.0% 33.0% 47.0% 42.8% 22.6% 34.6% 35.5% 31.5% 8.2%

Mason Montgomery 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 TB 51.9% 13.3% 35.4% 4.9% 54.1% 48.6% 18.3% 28.6% 30.4%
2025 TB 56.6% 10.4% 33.1% 11.7% 67.5% 57.9% 18.3% 23.2% 22.2%
2026 PIT 55.7% 11.5% 33.5% 10.2% 60.9% 53.3% 21.1% 29.1% 26.4%
RP MLB Percentile 12 53 87 5 42 65 48 75 97
RP MLB AVG 58.6% 12.1% 29.9% 14.5% 61.1% 50.3% 21.2% 26.8% 19.3%
Career 55.8% 11.2% 33.5% 10.5% 63.1% 54.8% 19.7% 26.7% 25.0%

Mason Montgomery PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2024 TB 158 5.29 55.1% 13.9% 31.0% 24.1% 3.8% 0.7 +1 2.40
2025 TB 859 5.06 51.1% 14.8% 34.1% 17.0% 3.4% 19.4 +21 3.43
2026 PIT 1,107 5.14 49.7% 16.7% 33.6% 16.1% 3.3% -10.9 -14 2.88
RP MLB Percentile 79 91 87 35 82 82 82 91 96 83
RP MLB AVG 850 4.94 45.9% 17.4% 36.7% 9.1% 4.7% 0.7 0 3.49
Career 2,124 5.12 50.7% 15.7% 33.6% 17.0% 3.3% 9.1 +8 3.05
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