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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%
0 32.2 4.68 1.41 32.2% 11.2%
176th 2
Sv
129th 29.0
IP
218th 4.41
ERA
212th 1.40
WHIP
20th 22.2%
K%
230th 10.2%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.2 15.5% 29.3% 51.7% 3.2% 5.10 3.17
20th 94.5
FB MPH
45th 12.1%
SwStr%
132nd 28.4%
CSW%
134th 50.6%
Str-ICR
76th 4.6%
MTK%
55th 4.93
PLV
109th 3.55
PLA
Holds List
Rank
31st
Saves+Holds List
Rank
57th

Articles

6/30/2026Fantasy Baseball Relief Pitcher Roundup: 6/29Rick Graham

6/28/2026BWB 012 - Grumpy Old MenDave Funnell

6/27/2026Fantasy Baseball Relief Pitcher Roundup: 6/26Rick Graham

6/26/2026Fantasy Baseball Relief Pitcher Roundup: 6/25Rick Graham

6/24/2026Fantasy Baseball Relief Pitcher Roundup: 6/23Rick 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 33 4 32.2 2-3 0 8 4.68 1.41 4.32 3.35 2.93 3.17 32.2% 11.2% 8.3 1.10 .338 25.0% 69.3% 40.7% 54.3% 15.5% 29.3% 0.57 5.10
RP MLB Percentile 74 89 62 55-10 0 82 38 39 45 77 93 68 94 34 45 43 19 18 38 24 87 87 62 75 82
RP MLB AVG 23 1 29.0 2-2 2 4 4.41 1.40 4.35 4.37 4.42 3.55 22.2% 10.2% 8.5 1.13 .291 18.0% 72.0% 37.2% 43.4% 12.1% 28.4% 0.49 4.93
Career 99 4 88.1 3-6 1 21 4.89 1.51 4.12 3.41 3.17 3.22 32.4% 12.3% 8.7 1.02 .371 22.2% 68.3% 43.9% 49.8% 17.9% 31.5% 0.65 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 33 4 32.2 2-3 0 0 8 588 370 218 143 30 19 7 0 4 46 16 0 2
RP MLB Percentile 74 89 62 55-10 0 0 82 73 73 26 66 30 35 19 34 27 89 22 70 17
RP MLB AVG 23 1 29.0 2-2 0 2 4 494 314 180 127 27 18 5 0 4 28 12 2 1
Career 99 4 88.1 3-6 0 1 21 1,605 1,030 575 389 85 55 20 0 10 126 48 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 32.2% 11.2% .236 .386 .708 .316 .338 .370 .237 .326 .331 .437 87.0 88.6 8.0 4.32
RP MLB Percentile 94 34 56 51 53 50 19 17 49 45 9 11 64 60 81 45
RP MLB AVG 22.2% 10.2% .243 .393 .721 .319 .291 .321 .237 .320 .280 .361 87.8 89.3 13.4 4.35
Career 32.4% 12.3% .253 .402 .748 .334 .371 .401 .232 .320 .330 .420 87.7 86.6 9.5 4.12

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 TB 72.8% (97.3) - - 27.2% (88.6) - - - - - 72.8% 27.2%
2025 TB 66.1% (98.7) - - 33.8% (89.8) - - - - - 66.1% 33.8%
2026 PIT 60.7% (98.2) 2.9% (98.1) - 16.8% (89.3) - 15.8% (86.6) 3.7% (90.1) - - 63.6% 36.4%
RP MLB Percentile 93 (93) 3 (94) - 30 (91) - 58 (96) 9 (87) - - 90.1% 9.7%
RP MLB AVG 37.5% (94.5) 25.1% (94.0) 21.0% (89.4) 26.0% (85.1) 21.1% (82.6) 17.4% (79.6) 17.8% (86.2) 19.1% (86.4) 31.8% (68.1) 48.0% 51.8%
Career 64.8% (98.4) 1.1% (98.1) - 26.9% (89.6) - 5.8% (86.6) 1.4% (90.1) - - 65.9% 34.1%

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 TB 35.7% (25) - - 37.2% (14) - - - - - 35.7% 37.2%
2025 TB 32.4% (88) - - 32.1% (69) - - - - - 32.4% 32.1%
2026 PIT 30.3% (52) 29.4% (3) - 28.3% (20) - 28.0% (15) 22.7% (1) - - 30.2% 27.6%
RP MLB Percentile 74 (2) 61 (56) - 42 (26) - 48 (20) 58 (77) - - 73.6% 39.8%
RP MLB AVG 26.9% (17) 27.3% (7) 27.4% (9) 29.6% (15) 28.3% (12) 27.7% (8) 21.6% (12) 24.1% (14) 23.3% (6) 27.6% 28.7%
Career 32.0% (165) 29.4% (3) - 31.7% (103) - 28.0% (15) 22.7% (1) - - 32.0% 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 54.3% 19.8% 19.8% 6.2% 25.9% 49.4% 29.6% 21.0% 19.9% 59.2% 27.2% 4.9% 8.6% 40.7%
RP MLB Percentile 87 66 22 17 91 88 23 23 79 27 29 59 29 24
RP MLB AVG 43.4% 21.6% 24.5% 10.5% 34.5% 41.1% 33.7% 25.2% 17.9% 62.5% 24.5% 5.9% 7.2% 37.2%
Career 49.8% 23.0% 21.1% 6.1% 33.3% 40.7% 33.6% 25.7% 19.3% 55.9% 31.9% 2.8% 9.4% 43.9%

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 .236 .316 .338 .370 .237 .326 .331 .437 87.0 88.6 8.0 25.0% 40.7% 23.1%
RP MLB Percentile 56 50 19 17 49 45 9 11 64 60 81 18 24 63
RP MLB AVG .243 .319 .291 .321 .237 .320 .280 .361 87.8 89.3 13.4 18.0% 37.2% 24.7%
Career .253 .334 .371 .401 .232 .320 .330 .420 87.7 86.6 9.5 22.2% 43.9% 24.2%

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 43.7% 62.9% 49.1% 33.2% 31.5% 19.9% 68.5% 82.1% 46.4% 13.8% 15.5% 29.3% 13.8% 57.8% 0.57 51.7%
RP MLB Percentile 39 41 68 64 86 79 86 66 91 15 87 62 8 46 75 61
RP MLB AVG 44.4% 63.4% 47.0% 31.3% 25.6% 17.9% 74.4% 83.9% 58.6% 16.3% 12.1% 28.4% 17.1% 57.9% 0.49 50.6%
Career 45.9% 64.2% 50.5% 33.5% 35.4% 19.3% 64.6% 74.4% 47.1% 13.6% 17.9% 31.5% 13.3% 58.9% 0.65 52.5%

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 43.7% 21.6% 32.8% 45.6% 38.9% 24.5% 36.6% 36.1% 31.1% 9.4%
RP MLB Percentile 39 1 5 86 60 31 28 90 1 97
RP MLB AVG 44.4% 34.5% 27.0% 38.5% 36.5% 22.8% 40.7% 29.9% 43.1% 6.5%
Career 45.9% 18.3% 32.7% 49.1% 41.2% 22.9% 35.8% 37.7% 29.6% 8.4%

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 57.5% 13.6% 28.9% 12.4% 59.4% 49.7% 15.7% 27.6% 27.1%
RP MLB Percentile 33 29 42 22 40 47 7 60 96
RP MLB AVG 58.5% 12.4% 29.6% 14.4% 60.6% 49.8% 21.0% 26.4% 19.1%
Career 56.4% 11.8% 31.8% 11.4% 63.2% 54.0% 17.3% 25.3% 24.7%

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 588 5.10 50.2% 14.5% 35.4% 14.8% 3.2% 3.8 +2 3.17
RP MLB Percentile 73 82 88 16 65 65 78 29 30 68
RP MLB AVG 494 4.93 45.8% 17.2% 37.0% 8.9% 4.6% 0.9 +0 3.55
Career 1,605 5.10 51.2% 14.6% 34.3% 16.9% 3.4% 23.8 +25 3.22
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