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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%
3 47.0 3.64 1.17 38.1% 10.7%
57th 3
Sv
115th 39.0
IP
152nd 4.29
ERA
106th 1.35
WHIP
6th 22.5%
K%
230th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.3 15.7% 31.3% 55.5% 3.2% 5.14 2.94
22nd 94.7
FB MPH
43rd 12.2%
SwStr%
67th 28.5%
CSW%
37th 51.1%
Str-ICR
63rd 4.7%
MTK%
31st 4.94
PLV
72nd 3.57
PLA
Saves List
Rank
22nd
Holds List
Rank
6th
Saves+Holds List
Rank
24th

Articles

8/7/2026Waiver Relief: Week 20Alex Kamberis

8/4/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 8/4Rick Graham

8/4/2026Fantasy Baseball Relief Pitcher Roundup: 8/3Rick Graham

8/3/20262026 Fantasy Baseball Week 19 FAAB Insights: Who To Bid On And How MuchRyan Clark

8/2/2026Fantasy Baseball Relief Pitcher Roundup: 8/1Rick Graham

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 48 5 47.0 4-3 3 9 3.64 1.17 3.22 2.62 2.27 2.94 38.1% 10.7% 6.5 0.96 .302 25.0% 72.9% 38.6% 55.4% 15.7% 31.3% 0.68 5.14
RP MLB Percentile 81 89 66 76-17 79 77 57 69 79 91 98 79 98 34 76 54 41 18 47 36 89 86 80 93 91
RP MLB AVG 31 2 39.0 2-2 3 5 4.29 1.35 4.27 4.29 4.32 3.57 22.5% 9.8% 8.3 1.15 .288 18.0% 72.5% 36.9% 43.7% 12.2% 28.5% 0.50 4.94
Career 114 5 102.2 5-6 4 22 4.38 1.38 3.65 3.07 2.84 3.11 35.0% 12.0% 7.8 0.96 .353 22.4% 69.7% 42.7% 50.6% 17.7% 32.2% 0.69 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 48 5 47.0 4-3 0 3 9 824 535 289 197 34 22 7 0 5 75 21 0 2
RP MLB Percentile 81 89 66 76-17 0 79 77 76 77 28 68 43 44 31 42 32 93 21 79 24
RP MLB AVG 31 2 39.0 2-2 0 3 5 666 425 241 171 36 24 7 1 5 38 16 2 2
Career 114 5 102.2 5-6 0 4 22 1,841 1,195 646 443 89 58 20 0 11 155 53 1 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 38.1% 10.7% .194 .320 .599 .266 .302 .337 .198 .276 .302 .402 86.6 87.9 7.4 3.22
RP MLB Percentile 98 34 81 78 80 81 41 36 83 79 27 21 70 69 82 79
RP MLB AVG 22.5% 9.8% .240 .393 .716 .315 .288 .320 .236 .317 .280 .360 87.7 89.2 13.2 4.27
Career 35.0% 12.0% .232 .370 .694 .309 .353 .384 .215 .299 .318 .406 87.4 86.5 9.1 3.65

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 PIT55.0% (98.3)11.0% (98.7)-17.0% (89.5)-14.2% (86.6)2.8% (90.0)-- 66.0% 34.0%
RP MLB Percentile 88 (93) 16 (96) - 31 (93) - 51 (97) 6 (86) - - 92.3% 7.4%
RP MLB AVG 37.8% (94.7) 26.2% (93.9) 20.3% (89.4) 25.8% (85.6) 21.4% (82.5) 16.4% (79.7) 17.1% (86.2) 17.8% (86.5) 32.5% (68.2) 48.3% 51.6%
Career61.7% (98.4)4.9% (98.7)-25.7% (89.6)-6.4% (86.6)1.3% (90.0)-- 66.6% 33.3%

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 PIT31.3% (67)40.7% (15)-28.6% (27)-29.1% (19)21.7% (1)-- 32.9% 28.2%
RP MLB Percentile 80 (4) 98 (21) - 43 (26) - 52 (19) 51 (79) - - 88.1% 41.5%
RP MLB AVG 27.0% (24) 27.2% (10) 26.5% (12) 29.5% (20) 28.0% (16) 27.2% (10) 21.6% (15) 23.2% (17) 22.0% (9) 27.8% 28.8%
Career32.3% (180)40.7% (15)-31.5% (110)-29.1% (19)21.7% (1)-- 32.9% 30.7%

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 55.4% 17.8% 19.8% 6.9% 24.8% 46.5% 31.7% 21.8% 21.4% 61.3% 26.7% 4.0% 7.9% 38.6%
RP MLB Percentile 89 78 21 24 96 81 32 23 91 36 28 75 35 36
RP MLB AVG 43.7% 21.7% 24.5% 10.2% 34.8% 40.9% 33.8% 25.3% 18.1% 62.9% 24.3% 5.8% 7.0% 36.9%
Career 50.6% 21.9% 21.0% 6.4% 32.2% 40.2% 34.2% 25.6% 20.0% 57.1% 31.3% 2.6% 9.0% 42.7%

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 .194 .266 .302 .337 .198 .276 .302 .402 86.6 87.9 7.4 25.0% 38.6% 19.8%
RP MLB Percentile 81 81 41 36 83 79 27 21 70 69 82 18 36 84
RP MLB AVG .240 .315 .288 .320 .236 .317 .280 .360 87.7 89.2 13.2 18.0% 36.9% 24.5%
Career .232 .309 .353 .384 .215 .299 .318 .406 87.4 86.5 9.1 22.4% 42.7% 22.6%

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 44.8% 64.9% 49.3% 34.5% 31.8% 21.4% 68.2% 79.5% 50.3% 15.7% 15.7% 31.3% 12.3% 60.8% 0.68 55.5%
RP MLB Percentile 55 66 70 74 86 91 86 77 85 39 86 80 2 80 93 89
RP MLB AVG 44.5% 63.7% 47.4% 31.6% 25.7% 18.1% 74.3% 83.8% 58.6% 16.3% 12.2% 28.5% 17.1% 58.3% 0.50 51.1%
Career 46.1% 64.9% 50.4% 34.1% 35.0% 20.0% 65.0% 74.2% 48.8% 14.5% 17.7% 32.2% 12.7% 60.1% 0.69 54.0%

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 44.8% 21.8% 32.5% 45.6% 40.7% 24.0% 35.3% 34.1% 33.4% 8.6%
RP MLB Percentile 55 1 4 89 72 33 23 83 3 93
RP MLB AVG 44.5% 34.7% 26.9% 38.4% 36.5% 22.9% 40.7% 29.9% 43.3% 6.6%
Career 46.1% 18.8% 32.6% 48.6% 41.7% 22.9% 35.4% 36.6% 30.8% 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 56.3% 12.4% 32.3% 10.6% 60.0% 51.3% 19.0% 27.8% 28.2%
RP MLB Percentile 19 43 79 8 43 55 24 57 97
RP MLB AVG 58.5% 12.2% 29.8% 14.4% 60.8% 50.1% 21.1% 26.7% 19.2%
Career 56.1% 11.5% 32.9% 10.7% 63.0% 54.2% 18.6% 25.7% 25.6%

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 824 5.14 50.4% 15.7% 34.0% 16.4% 3.2% -3.1 -6 2.94
RP MLB Percentile 76 91 90 23 76 76 81 69 79 79
RP MLB AVG 666 4.94 45.9% 17.4% 36.7% 9.2% 4.7% 0.6 0 3.57
Career 1,841 5.12 51.1% 15.1% 33.8% 17.3% 3.3% 16.9 +16 3.11
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