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Relief Pitcher · Boston Red Sox

Eduardo Rivera

LHP · Throws Left · Age 23Reliever
ERA
0.00
FIP
–
IP
3.1
W-L
0-0
WHIP
0.30
K%
30.0
BB%
0.0
GB%
–
K/9
8.1
HR/9
0.0
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)
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Four-Seam Fastball

FF · lead pitch

71% of pitches · .233 xwOBA allowed · 8 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
0%8%0%8%0%3%5%8%5%5%5%13%13%8%0%0%3%3%3%0%5%3%8%0%0%
Rare 0% · Common 10% · Very common 20%+
Four-Seam Fastball (71% usage) has allowed .233 xwOBA over 8 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

3 pitch types · 58-pitch sample · 2026 season

Four-Seam Fastball FF
71% usage · 30% whiff · .233 xwOBA · 94.8 mph
Slider SL
19% usage · .002 xwOBA
Changeup CH
10% usage
Whiff% Trend
last 2 outings · by pitch · min 5 swings per point
2030403/204/22
Four-Seam FastballSliderChangeup
Hand Splits
K% + xwOBA allowed by batter side · 2026 season
SplitK%xwOBASample
vs. LHB– – 6
vs. RHB– – 4
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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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