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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%
1 39.0 3.92 1.26 35.2% 10.9%
97th 2
Sv
126th 34.0
IP
174th 4.31
ERA
141st 1.36
WHIP
12th 22.4%
K%
238th 10.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.2 15.4% 30.2% 54.0% 3.5% 5.11 3.12
22nd 94.5
FB MPH
40th 12.1%
SwStr%
120th 28.5%
CSW%
77th 50.8%
Str-ICR
86th 4.7%
MTK%
54th 4.93
PLV
106th 3.55
PLA
Saves List
Rank
22nd
Saves+Holds List
Rank
26th

Articles

7/15/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 7/14Rick Graham

7/14/2026Pirates 2026 All-Star Break Report CardsJoe Landolina

7/12/2026Fantasy Baseball Relief Pitcher Roundup: 7/11Rick Graham

7/10/2026Waiver Relief: Week 16Alex Kamberis

7/9/2026Fantasy Baseball Relief Pitcher Roundup: 7/8Rick 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 40 5 39.0 2-3 1 9 3.92 1.26 3.66 2.85 2.71 3.12 35.2% 10.9% 7.2 0.92 .318 21.1% 71.4% 38.2% 53.9% 15.4% 30.2% 0.62 5.11
RP MLB Percentile 79 89 63 49-13 47 81 51 58 64 86 96 69 97 32 66 55 26 34 43 38 85 87 64 83 83
RP MLB AVG 27 1 34.0 2-2 2 4 4.31 1.36 4.32 4.35 4.39 3.55 22.4% 10.0% 8.3 1.16 .289 18.3% 72.5% 37.1% 43.6% 12.1% 28.5% 0.50 4.93
Career 106 5 94.2 3-6 2 22 4.56 1.44 3.86 3.20 3.07 3.20 33.6% 12.2% 8.2 0.95 .362 20.8% 69.1% 42.8% 49.8% 17.7% 31.8% 0.66 5.10

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 40 5 39.0 2-3 0 1 9 693 442 251 165 31 20 7 0 4 58 18 0 2
RP MLB Percentile 79 89 63 49-13 0 47 81 73 72 26 67 39 41 24 38 34 91 23 75 20
RP MLB AVG 27 1 34.0 2-2 0 2 4 579 369 210 149 31 21 6 1 4 33 14 2 1
Career 106 5 94.2 3-6 0 2 22 1,710 1,102 608 411 86 56 20 0 10 138 50 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 35.2% 10.9% .212 .342 .639 .287 .318 .348 .217 .299 .318 .412 86.3 87.1 7.7 3.66
RP MLB Percentile 97 32 69 64 70 70 26 27 64 64 11 14 72 75 81 64
RP MLB AVG 22.4% 10.0% .241 .392 .717 .317 .289 .320 .237 .319 .281 .361 87.7 89.3 13.3 4.32
Career 33.6% 12.2% .242 .383 .718 .321 .362 .391 .224 .310 .325 .410 87.4 86.1 9.3 3.86

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 PIT58.7% (98.2)5.3% (98.2)-17.3% (89.4)-15.3% (86.6)3.3% (90.0)-- 64.1% 35.9%
RP MLB Percentile 91 (93) 5 (95) - 31 (92) - 58 (96) 9 (86) - - 89.8% 9.9%
RP MLB AVG 38.1% (94.5) 25.8% (94.0) 20.7% (89.4) 25.5% (85.4) 21.4% (82.5) 16.4% (80.0) 17.2% (86.3) 18.5% (86.4) 32.3% (68.2) 48.3% 51.5%
Career63.7% (98.4)2.2% (98.2)-26.5% (89.5)-6.2% (86.6)1.4% (90.0)-- 65.9% 34.0%

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 PIT30.7% (60)37.8% (4)-27.5% (24)-30.2% (18)21.7% (1)-- 31.3% 28.1%
RP MLB Percentile 74 (2) 95 (52) - 39 (25) - 58 (16) 51 (79) - - 75.0% 45.2%
RP MLB AVG 27.0% (20) 27.0% (8) 27.1% (10) 29.2% (17) 28.2% (14) 27.6% (9) 21.6% (13) 23.7% (15) 23.8% (8) 27.8% 28.8%
Career32.1% (173)37.8% (4)-31.3% (107)-30.2% (18)21.7% (1)-- 32.3% 30.8%

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 53.9% 18.0% 21.3% 6.7% 24.7% 47.2% 30.3% 22.5% 20.8% 61.8% 25.8% 4.5% 7.9% 38.2%
RP MLB Percentile 85 76 32 24 95 85 20 28 89 39 35 61 34 38
RP MLB AVG 43.6% 21.7% 24.4% 10.3% 34.6% 41.0% 33.9% 25.1% 17.9% 62.6% 24.4% 5.9% 7.1% 37.1%
Career 49.8% 22.2% 21.7% 6.3% 32.6% 40.1% 33.8% 26.1% 19.7% 57.0% 31.2% 2.7% 9.0% 42.8%

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 .212 .287 .318 .348 .217 .299 .318 .412 86.3 87.1 7.7 21.1% 38.2% 20.6%
RP MLB Percentile 69 70 26 27 64 64 11 14 72 75 81 34 38 80
RP MLB AVG .241 .317 .289 .320 .237 .319 .281 .361 87.7 89.3 13.3 18.3% 37.1% 24.6%
Career .242 .321 .362 .391 .224 .310 .325 .410 87.4 86.1 9.3 20.8% 42.8% 23.1%

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 44.7% 63.8% 49.1% 32.9% 31.5% 20.8% 68.5% 79.9% 49.2% 14.7% 15.4% 30.2% 12.8% 59.3% 0.62 54.0%
RP MLB Percentile 48 46 72 66 85 89 85 78 88 17 87 64 4 61 83 77
RP MLB AVG 44.5% 63.5% 47.2% 31.4% 25.6% 17.9% 74.4% 83.8% 58.4% 16.4% 12.1% 28.5% 17.1% 58.1% 0.50 50.8%
Career 46.2% 64.4% 50.4% 33.4% 35.2% 19.7% 64.8% 74.0% 48.2% 14.0% 17.7% 31.8% 13.0% 59.4% 0.66 53.3%

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 44.7% 20.8% 32.0% 47.2% 39.8% 24.0% 36.2% 34.9% 33.0% 8.2%
RP MLB Percentile 48 1 7 92 68 35 27 87 2 90
RP MLB AVG 44.5% 34.7% 27.0% 38.4% 36.4% 22.9% 40.7% 30.0% 43.0% 6.6%
Career 46.2% 18.1% 32.4% 49.5% 41.4% 22.8% 35.8% 37.2% 30.5% 8.0%

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 56.4% 12.7% 30.9% 11.3% 59.4% 50.9% 17.4% 25.2% 27.1%
RP MLB Percentile 20 38 67 14 46 61 8 37 94
RP MLB AVG 58.5% 12.3% 29.7% 14.5% 60.8% 50.0% 21.1% 26.5% 19.2%
Career 56.1% 11.6% 32.4% 10.9% 63.0% 54.3% 17.9% 24.5% 24.9%

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 693 5.11 50.4% 14.7% 34.9% 15.4% 3.5% 0.0 -3 3.12
RP MLB Percentile 73 83 87 20 68 68 72 50 63 69
RP MLB AVG 579 4.93 45.8% 17.3% 36.8% 9.0% 4.7% 0.9 0 3.55
Career 1,710 5.10 51.2% 14.7% 34.2% 17.0% 3.5% 20.1 +20 3.20
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