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Jerome Williams

Giants Career team 2003–2005
Number #38
Position Relief Pitcher
Bats Right
Throws Right
Age 44
Height 6' 3"
Weight 260 lbs
Birth Place Honolulu, HI
Born Dec 4, 1981

Key Insights

2016
His fastball is the pitch everything else is built on

Williams's sinker averages 89.7 mph, and has touched 91.4.

104 thrown, 35.7% of his pitches.
One type of hitter does all the damage against him

Hitters do their damage on his fastballs: a .374 expected average against them, against .283 on his offspeed pitches.

227 of his fastballs thrown.
This is the pitch he goes to when he needs the out

With two strikes Williams goes to the changeup: 28.6% of his two-strike pitches, against 14.5% the rest of the time.

70 two-strike pitches in 2016.
Almost nothing hit off him is hit well

Only 27.1% of the contact Williams gives up is hit hard, 96th percentile.

291 pitches in 2016. 96th percentile among qualified pitchers in 2016, 27th in MLB.
There is one pitch of his that keeps getting hit

Contact off Williams's sinker leaves the bat at 87.0 mph, against 81.7 off his changeup.

104 and 52 of them thrown.
Hitters cannot square him up, the contact is weak

Contact against Williams is weak: 85.0 mph off the bat on average, 95th percentile.

291 pitches in 2016. 95th percentile among qualified pitchers in 2016, 33rd in MLB.

Movement Profile (Induced Break)

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

Player Bio Data
DOB Dec 4, 1981
Birth Place Honolulu, HI
Height 6' 3"
Weight 260 lbs LBS
Bats/Throws Right/Right