RunsLeft › Pitchers › Alec Gamboa
Pitcher · Boston Red Sox

Alec Gamboa

LHP · Throws Left · Age 29Swingman
ERA
1.40
FIP
–
IP
19.1
W-L
0-0
WHIP
0.98
K%
18.7
BB%
6.7
GB%
–
K/9
6.5
HR/9
0.5
Drafted by the Los Angeles Dodgers in 2019 (round 9), he was signed by the Boston Red Sox as an amateur free agent in December 2025. He made his MLB debut on May 5, 2026.Facts: MLB StatsAPI (people · transactions)
No scheduled start today. The model projection and lineup matchup appear on start days.

Four-Seam Fastball

FF · lead pitch

47% of pitches · .206 xwOBA allowed · 24 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
1%3%9%4%1%2%11%11%5%1%5%10%12%11%2%0%2%3%2%1%1%1%1%1%0%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
–.700–.700––.042.016–.000.256.223.214.149––.185–.094––––––
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
–.022–.030––.004.002–.000.014.021.025.016––.004–.002––––––
Low risk · Average · High-risk zone
Four-Seam Fastball (47% usage) has allowed .206 xwOBA over 24 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

5 pitch types · 208-pitch sample · 2026 season

Four-Seam Fastball FF
47% usage · 14% whiff · .206 xwOBA · 95.5 mph
Slider SL
34% usage · 24% whiff · .465 xwOBA · 88.8 mph
Sinker SI
14% usage · .148 xwOBA · 95.1 mph
Curveball CU
3% usage · .379 xwOBA
Changeup CH
1% usage · .000 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
01020306/87/17/47/177/228/148/178/21
Four-Seam FastballSliderSinker
Hand Splits
K% + xwOBA allowed by batter side · 2026 season
SplitK%xwOBASample
vs. LHB– – 18
vs. RHB16.2 .241 33
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