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Pitcher · Pittsburgh Pirates

Mason Montgomery

LHP · Throws Left · Age 26Swingman
ERA
2.88
FIP
–
IP
68.2
W-L
6-4
WHIP
1.03
K%
37.8
BB%
9.4
GB%
–
K/9
13.8
HR/9
0.8
Drafted by the Tampa Bay Rays in 2021 (round 6), he was acquired by the Pittsburgh Pirates via trade from the Tampa Bay Rays in December 2025. He made his MLB debut on September 5, 2024.Facts: MLB StatsAPI (people · transactions)
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Four-Seam Fastball

FF · lead pitch

55% of pitches · .306 xwOBA allowed · 284 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
1%5%5%4%2%4%7%13%4%2%6%13%15%6%1%1%2%1%0%0%2%3%1%1%0%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.003.129.303.145.415.196.216.201.313.369.557.185.326.283.358.702.524.690.246–.691.557.296.484–
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.000.007.016.006.007.007.016.026.012.006.036.024.049.016.005.010.012.010.001–.011.017.004.003–
Low risk · Average · High-risk zone
Four-Seam Fastball (55% usage) has allowed .306 xwOBA over 284 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

5 pitch types · 2,133-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF
55% usage · 27% whiff · .306 xwOBA · 98.4 mph
Slider SL
21% usage · 43% whiff · .215 xwOBA · 89.6 mph
Sinker SI
14% usage · 27% whiff · .306 xwOBA · 98.7 mph
Curveball CU
9% usage · 36% whiff · .271 xwOBA · 86.5 mph
Changeup CH
1% usage · .219 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
01020304050609/99/109/139/179/199/209/269/27
Four-Seam FastballSliderSinker
Hand Splits
K% + xwOBA allowed by batter side · 2026/2025/2024 blend, weighted 4/3/1
SplitK%xwOBASample
vs. LHB33.3 .285 184
vs. RHB34.4 .280 316
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Market lines

current pick’em lines by book · updates through the day

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DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

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