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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

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 18.0 4.00 1.33 33.3% 10.3%
- 1
Sv
- 17.0
IP
- 4.68
ERA
- 1.45
WHIP
- 21.9%
K%
- 10.7%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.3 19.1% 32.7% 53.8% 2.6% 5.22 2.56
- 94.2
FB MPH
- 11.9%
SwStr%
- 28.5%
CSW%
- 50.2%
Str-ICR
- 4.5%
MTK%
- 4.93
PLV
- 3.65
PLA
Saves List
Rank
46th
Holds List
Rank
11th
Saves+Holds List
Rank
30th

Articles

5/19/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 5/19Rick Graham

5/19/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/19Rick Graham

5/18/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/18Rick Graham

5/17/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 5/17Rick Graham

5/16/2026Fantasy Baseball Relief Pitcher Roundup: 5/15Rick 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 19 3 18.0 1-1 0 5 4.00 1.33 4.74 3.72 2.56 2.56 33.3% 10.3% 8.0 1.50 .317 37.5% 75.8% 45.5% 47.7% 19.1% 32.7% 0.70 5.22
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - - - - - - -
RP MLB AVG 14 1 17.0 1-1 1 2 4.68 1.45 4.43 4.44 4.45 3.65 21.9% 10.7% 8.7 1.07 .295 17.1% 71.3% 37.5% 44.7% 11.9% 28.5% 0.49 4.93
Career 85 3 73.2 2-4 1 18 4.76 1.51 4.18 3.51 3.13 3.09 32.7% 12.3% 8.7 1.10 .373 24.3% 69.4% 45.8% 47.2% 19.2% 32.8% 0.70 5.13

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 19 3 18.0 1-1 0 0 5 303 203 100 78 16 11 2 0 3 26 8 0 1
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - -
RP MLB AVG 14 1 17.0 1-1 0 1 2 296 187 109 76 16 11 3 0 2 17 8 1 1
Career 85 3 73.2 2-4 0 1 18 1,320 863 457 324 71 47 15 0 9 106 40 1 2

Mason Montgomery Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 33.3% 10.3% .229 .386 .694 .312 .317 .364 .263 .346 .373 .485 90.0 93.0 13.4 4.74
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 21.9% 10.7% .244 .389 .723 .323 .295 .323 .238 .324 .284 .363 88.1 89.3 12.9 4.43
Career 32.7% 12.3% .254 .405 .753 .339 .373 .406 .237 .327 .340 .432 88.5 87.1 11.2 4.18

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 65.7% (98.3) 0.7% (98.9) - 14.9% (89.7) - 18.2% (87.2) 0.7% (92.3) - - 66.3% 33.7%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 35.7% (94.2) 26.7% (93.8) 20.5% (89.3) 26.8% (85.4) 22.9% (82.5) 17.4% (80.4) 18.5% (86.1) 19.8% (86.3) 31.8% (68.1) 47.9% 52.0%
Career 66.8% (98.4) 0.2% (98.9) - 28.6% (89.6) - 4.2% (87.2) 0.2% (92.3) - - 67.0% 33.0%

Mason Montgomery Pitch › Results

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 33.7% (37) 50.0% (1) - 33.3% (10) - 29.1% (10) 0.0% (0) - - 33.8% 30.4%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 26.6% (9) 27.9% (5) 27.1% (6) 29.9% (10) 27.7% (9) 26.8% (6) 22.2% (8) 25.5% (10) 23.3% (6) 28.0% 28.4%
Career 33.1% (150) 50.0% (1) - 32.8% (93) - 29.1% (10) 0.0% (0) - - 33.1% 32.2%

Mason Montgomery Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 47.7% 22.7% 18.2% 11.4% 27.3% 45.5% 36.4% 18.2% 19.8% 54.5% 34.1% 2.3% 9.1% 45.5%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG 44.7% 21.3% 23.9% 10.1% 34.1% 41.4% 33.9% 24.7% 17.4% 62.2% 24.4% 6.1% 7.3% 37.5%
Career 47.2% 24.4% 21.0% 7.4% 35.2% 37.9% 36.2% 26.0% 19.2% 54.0% 34.7% 1.7% 9.7% 45.8%

Mason Montgomery Batted Ball › Outcomes

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 .229 .312 .317 .364 .263 .346 .373 .485 90.0 93.0 13.4 37.5% 45.5% 25.6%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG .244 .323 .295 .323 .238 .324 .284 .363 88.1 89.3 12.9 17.1% 37.5% 24.7%
Career .254 .339 .373 .406 .237 .327 .340 .432 88.5 87.1 11.2 24.3% 45.8% 25.0%

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 44.2% 67.0% 53.5% 40.2% 35.8% 19.8% 64.2% 79.8% 42.6% 13.5% 19.1% 32.7% 14.5% 61.7% 0.70 53.8%
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 44.3% 63.0% 46.4% 30.6% 25.5% 17.4% 74.5% 84.0% 58.6% 16.6% 11.9% 28.5% 17.0% 57.5% 0.49 50.2%
Career 46.5% 65.4% 51.8% 35.3% 37.1% 19.2% 62.9% 72.4% 46.2% 13.6% 19.2% 32.8% 13.4% 60.0% 0.70 53.1%

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 44.2% 21.8% 32.7% 45.5% 40.9% 23.1% 36.0% 35.0% 32.3% 8.3%
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 44.3% 34.9% 26.7% 38.3% 36.1% 22.9% 41.0% 30.6% 42.7% 6.4%
Career 46.5% 17.6% 32.6% 49.8% 42.2% 22.3% 35.6% 37.8% 29.6% 7.9%

Mason Montgomery Approach › Counts

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 60.1% 8.9% 31.0% 14.8% 62.8% 53.8% 16.5% 30.9% 27.7%
RP MLB Percentile - - - - - - - - -
RP MLB AVG 58.6% 12.8% 29.2% 14.3% 60.1% 49.5% 21.1% 26.0% 19.2%
Career 56.8% 10.4% 32.9% 11.7% 64.8% 55.9% 17.9% 25.6% 24.4%

Mason Montgomery PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 303 5.22 50.8% 16.8% 32.3% 18.5% 2.6% 2.3 +3 2.56
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 296 4.93 46.1% 16.9% 37.0% 9.2% 4.5% 0.5 +0 3.65
Career 1,320 5.13 51.5% 15.2% 33.3% 18.2% 3.3% 22.3 +25 3.09
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