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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 40.1 3.79 1.24 35.3% 11.2%
98th 2
Sv
129th 35.0
IP
158th 4.28
ERA
128th 1.35
WHIP
8th 22.4%
K%
232nd 9.9%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.2 15.4% 30.6% 53.9% 3.5% 5.11 3.10
22nd 94.5
FB MPH
46th 12.1%
SwStr%
97th 28.5%
CSW%
69th 50.9%
Str-ICR
86th 4.6%
MTK%
48th 4.94
PLV
101st 3.52
PLA
Saves List
Rank
23rd
Saves+Holds List
Rank
19th

Articles

7/22/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 7/21Rick Graham

7/20/2026Fantasy Baseball Relief Pitcher Roundup: 7/19Rick Graham

7/20/20262026 Fantasy Baseball Week 17 FAAB Insights: Who To Bid On And How MuchRyan Clark

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

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

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 41 5 40.1 3-3 1 9 3.79 1.24 3.61 2.83 2.70 3.10 35.3% 11.2% 6.9 0.89 .310 21.1% 72.1% 38.5% 54.9% 15.4% 30.6% 0.63 5.11
RP MLB Percentile 78 89 62 48-14 46 81 54 62 70 88 97 71 97 33 67 57 29 35 42 40 86 86 71 86 85
RP MLB AVG 27 1 35.0 2-2 2 5 4.28 1.35 4.31 4.33 4.37 3.52 22.4% 9.9% 8.3 1.16 .289 18.4% 72.6% 37.1% 43.6% 12.1% 28.5% 0.50 4.94
Career 107 5 96.0 4-6 2 22 4.50 1.43 3.84 3.19 3.06 3.19 33.7% 12.3% 8.1 0.94 .358 20.8% 69.4% 42.9% 50.2% 17.7% 31.9% 0.67 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 41 5 40.1 3-3 0 1 9 712 454 258 170 31 20 7 0 4 60 19 0 2
RP MLB Percentile 78 89 62 48-14 0 46 81 73 72 27 64 41 44 25 39 37 90 24 75 20
RP MLB AVG 27 1 35.0 2-2 0 2 5 591 377 215 152 32 21 6 1 4 34 14 2 1
Career 107 5 96.0 4-6 0 2 22 1,729 1,114 615 416 86 56 20 0 10 140 51 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 35.3% 11.2% .207 .333 .627 .282 .310 .341 .214 .296 .316 .407 86.3 87.1 7.4 3.61
RP MLB Percentile 97 33 72 69 73 73 29 29 71 70 14 16 72 76 83 70
RP MLB AVG 22.4% 9.9% .241 .393 .717 .316 .289 .320 .237 .319 .281 .362 87.7 89.3 13.3 4.31
Career 33.7% 12.3% .240 .379 .712 .318 .358 .387 .222 .308 .324 .408 87.3 86.1 9.2 3.84

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 PIT57.7% (98.2)6.9% (98.3)-17.1% (89.4)-15.0% (86.6)3.2% (90.0)-- 64.6% 35.4%
RP MLB Percentile 90 (93) 7 (96) - 32 (92) - 57 (97) 8 (86) - - 90.9% 8.6%
RP MLB AVG 38.1% (94.5) 25.8% (94.0) 20.7% (89.4) 25.4% (85.4) 21.5% (82.5) 16.2% (79.9) 17.3% (86.3) 18.6% (86.3) 32.3% (68.2) 48.3% 51.5%
Career63.3% (98.4)2.8% (98.3)-26.3% (89.6)-6.2% (86.6)1.3% (90.0)-- 66.1% 33.8%

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 PIT31.1% (61)38.8% (6)-27.9% (24)-29.9% (18)21.7% (1)-- 32.0% 28.2%
RP MLB Percentile 77 (3) 95 (39) - 42 (24) - 56 (17) 50 (79) - - 80.3% 43.7%
RP MLB AVG 27.0% (21) 27.1% (8) 27.0% (10) 29.1% (17) 28.1% (14) 27.4% (10) 21.8% (13) 23.8% (15) 23.8% (8) 27.8% 28.8%
Career32.3% (174)38.8% (6)-31.4% (107)-29.9% (18)21.7% (1)-- 32.5% 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 54.9% 17.6% 20.9% 6.6% 24.2% 47.3% 30.8% 22.0% 20.4% 61.6% 26.4% 4.4% 7.7% 38.5%
RP MLB Percentile 86 77 31 23 96 84 24 27 87 42 35 63 35 40
RP MLB AVG 43.6% 21.7% 24.4% 10.3% 34.6% 41.0% 33.9% 25.1% 18.0% 62.6% 24.5% 5.8% 7.1% 37.1%
Career 50.2% 22.0% 21.5% 6.3% 32.3% 40.2% 33.9% 25.9% 19.5% 56.9% 31.4% 2.7% 9.0% 42.9%

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 .207 .282 .310 .341 .214 .296 .316 .407 86.3 87.1 7.4 21.1% 38.5% 20.6%
RP MLB Percentile 72 73 29 29 71 70 14 16 72 76 83 35 40 82
RP MLB AVG .241 .316 .289 .320 .237 .319 .281 .362 87.7 89.3 13.3 18.4% 37.1% 24.6%
Career .240 .318 .358 .387 .222 .308 .324 .408 87.3 86.1 9.2 20.8% 42.9% 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 44.9% 63.8% 48.6% 32.7% 31.8% 20.4% 68.2% 79.4% 49.2% 15.2% 15.4% 30.6% 12.8% 59.4% 0.63 53.9%
RP MLB Percentile 49 50 68 61 86 87 86 78 88 24 86 71 3 64 86 79
RP MLB AVG 44.5% 63.6% 47.2% 31.4% 25.7% 18.0% 74.3% 83.8% 58.5% 16.4% 12.1% 28.5% 17.1% 58.1% 0.50 50.9%
Career 46.3% 64.4% 50.2% 33.3% 35.3% 19.5% 64.7% 73.8% 48.2% 14.2% 17.7% 31.9% 13.0% 59.5% 0.67 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 44.9% 20.8% 31.9% 47.3% 39.5% 24.0% 36.5% 34.8% 33.3% 8.3%
RP MLB Percentile 49 2 6 93 68 35 26 87 2 91
RP MLB AVG 44.5% 34.6% 26.9% 38.4% 36.4% 23.0% 40.7% 30.0% 43.1% 6.6%
Career 46.3% 18.2% 32.3% 49.5% 41.3% 22.9% 35.9% 37.1% 30.6% 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 56.6% 12.6% 30.8% 11.2% 59.4% 50.6% 18.4% 25.1% 27.4%
RP MLB Percentile 20 39 66 12 38 53 13 36 95
RP MLB AVG 58.5% 12.3% 29.7% 14.5% 60.9% 50.1% 21.1% 26.5% 19.3%
Career 56.2% 11.6% 32.3% 10.9% 63.0% 54.1% 18.3% 24.5% 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 712 5.11 50.4% 14.5% 35.1% 15.3% 3.5% -0.7 -3 3.10
RP MLB Percentile 73 85 90 14 69 69 73 54 69 71
RP MLB AVG 591 4.94 45.9% 17.4% 36.8% 9.1% 4.6% 0.9 0 3.52
Career 1,729 5.10 51.2% 14.6% 34.2% 16.9% 3.5% 19.3 +19 3.19
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