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Mason Montgomery

#46 - Relief Pitcher

Pittsburgh Pirates

Bats / Throws Left / Left
Date of Birth 6/17/2000 (25)
Height, Weight 6'2", 205 lb
Hometown Austin, TX

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 20.2 3.48 1.21 32.6% 9.3%
139th 1
Sv
148th 19.0
IP
156th 4.51
ERA
124th 1.42
WHIP
20th 22.2%
K%
149th 10.6%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.4 18.8% 32.5% 54.4% 2.4% 5.26 2.27
14th 94.3
FB MPH
15th 11.9%
SwStr%
39th 28.5%
CSW%
61st 50.5%
Str-ICR
49th 4.5%
MTK%
10th 4.93
PLV
15th 3.63
PLA
Saves List
Rank
32nd
Holds List
Rank
12th
Saves+Holds List
Rank
32nd

Articles

5/27/2026Deep League Risers and Fallers Week 10Sam Lutz

5/27/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/27Rick Graham

5/26/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 5/26Rick Graham

5/26/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/26Rick Graham

5/25/2026Fantasy Baseball Relief Pitcher Roundup: 5/24Rick 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 21 3 20.2 1-1 0 6 3.48 1.21 4.34 3.42 2.38 2.27 32.6% 9.3% 7.4 1.31 .298 37.5% 76.9% 42.0% 54.0% 18.8% 32.5% 0.69 5.26
RP MLB Percentile 69 90 57 43-27 0 83 56 64 41 68 96 96 94 57 61 32 43 8 64 25 84 96 88 93 97
RP MLB AVG 15 1 19.0 1-1 1 3 4.51 1.42 4.36 4.37 4.34 3.63 22.2% 10.6% 8.5 1.09 .292 17.4% 72.1% 37.0% 44.4% 11.9% 28.5% 0.49 4.93
Career 87 3 76.1 2-4 1 19 4.60 1.47 4.09 3.44 3.07 2.99 32.5% 12.0% 8.5 1.06 .366 24.3% 69.7% 44.8% 48.9% 19.2% 32.8% 0.69 5.14

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 21 3 20.2 1-1 0 0 6 329 221 108 86 17 12 2 0 3 28 8 0 1
RP MLB Percentile 69 90 57 43-27 0 0 83 54 59 54 55 41 36 55 24 17 84 38 57 19
RP MLB AVG 15 1 19.0 1-1 0 1 3 330 209 122 85 18 12 3 0 2 19 9 1 1
Career 87 3 76.1 2-4 0 1 19 1,346 881 465 332 72 48 15 0 9 108 40 1 2

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 32.6% 9.3% .218 .359 .650 .294 .298 .340 .255 .332 .358 .459 88.5 93.0 9.6 4.34
RP MLB Percentile 94 57 64 55 61 62 43 36 32 41 7 10 44 21 69 41
RP MLB AVG 22.2% 10.6% .241 .388 .719 .322 .292 .321 .236 .323 .283 .364 88.0 89.3 13.0 4.36
Career 32.5% 12.0% .251 .397 .739 .333 .366 .398 .236 .324 .337 .427 88.2 87.1 10.2 4.09

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 66.0% (98.4) 0.6% (98.9) - 14.9% (89.7) - 17.0% (87.2) 1.5% (92.0) - - 66.6% 33.4%
RP MLB Percentile 96 (95) 0 (98) - 23 (93) - 61 (96) 0 (95) - - 94.4% 5.6%
RP MLB AVG 36.7% (94.3) 26.3% (93.9) 21.3% (89.2) 26.2% (85.5) 22.7% (82.4) 17.7% (80.0) 18.3% (86.1) 20.6% (86.4) 31.8% (68.1) 47.9% 52.0%
Career 66.9% (98.4) 0.1% (98.9) - 28.4% (89.6) - 4.2% (87.2) 0.4% (92.0) - - 67.0% 32.9%

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 34.6% (41) 50.0% (1) - 30.6% (10) - 28.6% (10) 0.0% (0) - - 34.7% 28.2%
RP MLB Percentile 89 (1) 98 (15) - 54 (36) - 51 (19) 0 (87) - - 88.8% 46.9%
RP MLB AVG 26.6% (11) 27.6% (5) 26.8% (6) 29.8% (10) 27.7% (9) 27.2% (6) 22.1% (8) 25.2% (11) 23.3% (6) 28.0% 28.6%
Career 33.3% (154) 50.0% (1) - 32.5% (93) - 28.6% (10) 0.0% (0) - - 33.4% 31.6%

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 54.0% 20.0% 16.0% 10.0% 26.0% 46.0% 36.0% 18.0% 19.5% 58.0% 32.0% 2.0% 8.0% 42.0%
RP MLB Percentile 84 58 15 53 86 72 64 16 78 28 12 88 35 25
RP MLB AVG 44.4% 21.3% 24.1% 10.2% 34.1% 41.5% 33.7% 24.8% 17.6% 62.7% 24.1% 6.0% 7.2% 37.0%
Career 48.9% 23.6% 20.3% 7.1% 34.6% 38.3% 36.1% 25.7% 19.1% 54.9% 34.1% 1.6% 9.3% 44.8%

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 .218 .294 .298 .340 .255 .332 .358 .459 88.5 93.0 9.6 37.5% 42.0% 24.4%
RP MLB Percentile 64 62 43 36 32 41 7 10 44 21 69 8 25 49
RP MLB AVG .241 .322 .292 .321 .236 .323 .283 .364 88.0 89.3 13.0 17.4% 37.0% 24.4%
Career .251 .333 .366 .398 .236 .324 .337 .427 88.2 87.1 10.2 24.3% 44.8% 24.7%

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 46.2% 67.2% 53.5% 39.0% 35.2% 19.5% 64.8% 78.5% 43.5% 13.7% 18.8% 32.5% 15.2% 62.0% 0.69 54.4%
RP MLB Percentile 72 88 95 93 93 78 93 83 92 15 96 88 24 89 93 83
RP MLB AVG 44.3% 63.0% 46.5% 30.8% 25.6% 17.6% 74.4% 83.9% 58.5% 16.6% 11.9% 28.5% 16.9% 57.7% 0.49 50.5%
Career 47.0% 65.5% 51.9% 35.0% 37.0% 19.1% 63.0% 72.3% 46.4% 13.6% 19.2% 32.8% 13.6% 60.1% 0.69 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 46.2% 22.2% 33.7% 44.1% 41.6% 22.8% 35.6% 34.0% 32.2% 8.5%
RP MLB Percentile 72 3 4 80 75 47 24 78 4 90
RP MLB AVG 44.3% 34.9% 26.9% 38.2% 36.3% 22.8% 40.9% 30.5% 42.6% 6.5%
Career 47.0% 17.8% 32.9% 49.4% 42.3% 22.2% 35.5% 37.5% 29.6% 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 60.2% 9.7% 30.1% 15.7% 64.0% 53.5% 16.2% 30.3% 28.3%
RP MLB Percentile 68 87 58 67 72 74 10 77 93
RP MLB AVG 58.5% 12.8% 29.3% 14.2% 60.0% 49.5% 21.2% 26.4% 19.4%
Career 56.9% 10.5% 32.6% 12.0% 65.1% 55.7% 17.8% 25.5% 24.6%

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 329 5.26 52.0% 16.7% 31.3% 20.7% 2.4% 1.2 +3 2.27
RP MLB Percentile 54 97 93 44 91 91 85 44 23 96
RP MLB AVG 330 4.93 46.2% 16.8% 36.9% 9.3% 4.5% 0.4 +0 3.63
Career 1,346 5.14 51.8% 15.2% 33.1% 18.7% 3.2% 21.3 +25 2.99
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