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Starting Pitcher · Boston Red Sox

Eduardo Rivera

LHP · Throws Left · Age 23Starter
ERA
6.30
FIP
–
IP
10.0
W-L
0-1
WHIP
1.40
K%
22.7
BB%
13.6
GB%
–
K/9
9.0
HR/9
0.9
Drafted by the Oakland Athletics in 2021 (round 11), he was signed by the Boston Red Sox as an amateur free agent in June 2024. He made his MLB debut on April 22, 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

56% of pitches · .293 xwOBA allowed · 29 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
0%4%0%4%3%1%3%8%7%2%9%8%14%10%0%2%4%1%3%0%5%4%7%3%0%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
–.000–––––.344.007–.699.247.264.103–.699.043.500.000–––.416.698–
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
–.000–––––.026.000–.064.019.038.010–.012.002.004.000–––.028.024–
Low risk · Average · High-risk zone
Four-Seam Fastball (56% usage) has allowed .293 xwOBA over 29 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

3 pitch types · 227-pitch sample · 2026 season

Four-Seam Fastball FF
56% usage · 21% whiff · .293 xwOBA · 95.2 mph
Slider SL
30% usage · 25% whiff · .281 xwOBA · 87.7 mph
Changeup CH
14% usage · .326 xwOBA · 87.1 mph
Whiff% Trend
last 5 outings · by pitch · min 5 swings per point
0102030403/204/227/117/177/22
Four-Seam FastballSliderChangeup
Hand Splits
K% + xwOBA allowed by batter side · 2026 season
SplitK%xwOBASample
vs. LHB– – 20
vs. RHB– – 24
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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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