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Eduardo Rivera

Red Sox Career team 2026
Number #99
Position SP
Bats L
Throws L
Age 23
Height 6' 7"
Weight 237 lbs
Birth Place San Juan, Puerto Rico
Born Jun 13, 2003

Key Insights

2026
When he falls behind, hitters know exactly what is coming

Behind in the count Rivera throws a fastball 72.9% of the time, against 26.9% when he is ahead.

70 pitches behind in the count, 52 ahead.
There is one pitch of his that keeps getting hit

Contact off Rivera's 4-seam fastball leaves the bat at 94.4 mph, against 82.3 off his slider.

114 and 66 of them thrown.
One pitch of his moves in a way hitters rarely see

Rivera's 4-seam fastball carries 15.8 inches of ride against a spinless ball, the biggest vertical move in his arsenal.

114 thrown, averaging 95.3 mph.
He works one part of the zone far more than the rest

Rivera lives at the bottom of the zone: his average pitch crosses at 2.08 feet, against a zone that runs 1.5 to 3.5.

210 located pitches in 2026.
This is the pitch he goes to when he needs the out

With two strikes Rivera goes to the changeup: 25% of his two-strike pitches, against 8.7% the rest of the time.

72 two-strike pitches in 2026.
He saves one pitch for one side of the plate

Rivera throws the changeup 24.8% of the time against right-handers and 1.1% against left-handers.

117 pitches to right-handers, 93 to left-handers.

Movement Profile (Induced Break)

Catcher's Perspective • Pitch movement relative to a spinless ball

Player Bio Data
DOB Jun 13, 2003
Birth Place San Juan, Puerto Rico
Height 6' 7"
Weight 237 lbs LBS
Bats/Throws L/L