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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%
2 44.1 3.86 1.20 36.6% 10.8%
69th 2
Sv
109th 37.0
IP
170th 4.26
ERA
102nd 1.35
WHIP
7th 22.4%
K%
231st 9.9%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.3 14.9% 30.4% 54.6% 3.3% 5.13 2.99
21st 94.7
FB MPH
66th 12.1%
SwStr%
97th 28.5%
CSW%
70th 50.9%
Str-ICR
78th 4.7%
MTK%
40th 4.93
PLV
90th 3.53
PLA
Saves List
Rank
22nd
Saves+Holds List
Rank
18th

Articles

7/29/2026Fantasy Baseball Relief Pitcher Roundup: 7/28Rick Graham

7/28/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 7/28Rick Graham

7/28/2026Fantasy Baseball Relief Pitcher Roundup: 7/27Rick Graham

7/27/2026Fantasy Baseball Relief Pitcher Roundup: 7/26Rick Graham

7/26/20262026 Fantasy Baseball Week 18 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 45 5 44.1 4-3 2 9 3.86 1.20 3.51 2.86 2.48 2.99 36.6% 10.8% 6.7 1.02 .301 25.0% 71.7% 38.8% 55.1% 14.9% 30.4% 0.64 5.13
RP MLB Percentile 83 89 68 80-15 71 79 52 69 71 88 97 74 98 34 74 50 40 18 44 32 89 81 72 87 86
RP MLB AVG 29 2 37.0 2-2 2 5 4.26 1.35 4.26 4.29 4.33 3.53 22.4% 9.9% 8.3 1.14 .289 18.0% 72.5% 37.0% 43.7% 12.1% 28.5% 0.50 4.93
Career 111 5 100.0 5-6 3 22 4.50 1.40 3.79 3.19 2.95 3.14 34.3% 12.0% 7.9 0.99 .353 22.4% 69.3% 42.9% 50.4% 17.4% 31.8% 0.67 5.11

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 45 5 44.1 4-3 0 2 9 779 501 278 186 33 21 7 0 5 68 20 0 2
RP MLB Percentile 83 89 68 80-15 0 71 79 77 77 24 68 43 44 28 40 29 92 21 77 21
RP MLB AVG 29 2 37.0 2-2 0 2 5 625 399 227 161 34 23 6 1 5 36 15 2 1
Career 111 5 100.0 5-6 0 3 22 1,796 1,161 635 432 88 57 20 0 11 148 52 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 36.6% 10.8% .200 .333 .618 .275 .301 .337 .209 .290 .310 .413 86.9 87.9 7.6 3.51
RP MLB Percentile 98 34 80 70 75 76 40 35 75 71 17 15 61 68 85 71
RP MLB AVG 22.4% 9.9% .241 .392 .717 .316 .289 .320 .237 .318 .281 .361 87.8 89.3 13.2 4.26
Career 34.3% 12.0% .235 .377 .705 .314 .353 .384 .220 .305 .321 .410 87.6 86.5 9.2 3.79

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 PIT56.7% (98.3)8.6% (98.4)-17.2% (89.4)-14.5% (86.6)3.0% (90.0)-- 65.3% 34.7%
RP MLB Percentile 90 (93) 10 (96) - 32 (93) - 54 (97) 6 (86) - - 91.7% 7.7%
RP MLB AVG 37.8% (94.7) 26.1% (93.9) 20.5% (89.4) 25.4% (85.5) 21.3% (82.5) 16.4% (79.9) 17.2% (86.2) 18.3% (86.4) 32.3% (68.3) 48.3% 51.5%
Career62.6% (98.4)3.7% (98.4)-26.0% (89.6)-6.3% (86.6)1.3% (90.0)-- 66.4% 33.6%

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 PIT31.2% (64)37.3% (9)-26.9% (24)-29.2% (18)21.7% (1)-- 32.0% 27.4%
RP MLB Percentile 78 (3) 94 (30) - 36 (26) - 52 (19) 51 (80) - - 82.1% 37.9%
RP MLB AVG 27.1% (23) 27.2% (9) 26.9% (11) 29.1% (18) 28.0% (15) 27.5% (10) 21.6% (14) 23.4% (16) 22.0% (8) 27.9% 28.7%
Career32.3% (177)37.3% (9)-31.0% (107)-29.2% (18)21.7% (1)-- 32.6% 30.3%

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% 17.3% 20.4% 7.1% 24.5% 46.9% 30.6% 22.4% 21.3% 61.2% 26.5% 4.1% 8.2% 38.8%
RP MLB Percentile 89 79 27 18 95 84 21 29 91 34 28 71 29 32
RP MLB AVG 43.7% 21.7% 24.4% 10.2% 34.7% 40.9% 34.0% 25.1% 18.0% 62.8% 24.4% 5.8% 7.1% 37.0%
Career 50.4% 21.7% 21.3% 6.5% 32.2% 40.3% 33.8% 26.0% 20.0% 56.9% 31.3% 2.6% 9.1% 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 .200 .275 .301 .337 .209 .290 .310 .413 86.9 87.9 7.6 25.0% 38.8% 20.4%
RP MLB Percentile 80 76 40 35 75 71 17 15 61 68 85 18 32 79
RP MLB AVG .241 .316 .289 .320 .237 .318 .281 .361 87.8 89.3 13.2 18.0% 37.0% 24.6%
Career .235 .314 .353 .384 .220 .305 .321 .410 87.6 86.5 9.2 22.4% 42.9% 22.9%

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 44.5% 64.3% 48.8% 33.8% 30.5% 21.3% 69.5% 80.3% 52.1% 15.5% 14.9% 30.4% 12.6% 60.1% 0.64 54.6%
RP MLB Percentile 46 53 64 68 83 91 83 76 79 31 81 72 3 69 87 80
RP MLB AVG 44.5% 63.6% 47.3% 31.5% 25.6% 18.0% 74.4% 83.7% 58.6% 16.3% 12.1% 28.5% 17.1% 58.2% 0.50 50.9%
Career 46.0% 64.6% 50.2% 33.7% 34.6% 20.0% 65.4% 74.4% 49.5% 14.4% 17.4% 31.8% 12.9% 59.7% 0.67 53.6%

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 44.5% 21.6% 32.6% 45.8% 40.4% 23.7% 35.8% 34.0% 33.4% 8.3%
RP MLB Percentile 46 2 4 89 73 40 26 81 3 91
RP MLB AVG 44.5% 34.7% 26.9% 38.4% 36.2% 22.9% 40.8% 29.9% 43.2% 6.6%
Career 46.0% 18.6% 32.6% 48.8% 41.6% 22.8% 35.6% 36.7% 30.8% 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% 31.5% 10.9% 58.9% 49.7% 18.7% 27.8% 27.8%
RP MLB Percentile 17 37 72 9 28 44 18 62 96
RP MLB AVG 58.5% 12.3% 29.7% 14.5% 60.7% 50.0% 21.0% 26.5% 19.2%
Career 56.1% 11.6% 32.6% 10.8% 62.6% 53.6% 18.5% 25.6% 25.3%

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 779 5.13 50.6% 15.0% 34.4% 16.2% 3.3% -1.5 -5 2.99
RP MLB Percentile 77 86 91 17 72 72 76 58 77 74
RP MLB AVG 625 4.93 45.8% 17.4% 36.8% 9.0% 4.7% 0.8 0 3.53
Career 1,796 5.11 51.2% 14.8% 34.0% 17.3% 3.4% 18.6 +17 3.14
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