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Josh Simpson

Mariners
Number #37
Position RP
Bats L
Throws L
Age 29
Height 6' 2"
Weight 190 lbs
Birth Place Stafford, CT
Born Aug 19, 1997

Key Insights

2026
He saves one pitch for one side of the plate

Simpson throws the curveball 49.4% of the time against right-handers and 0% against left-handers.

79 pitches to right-handers, 73 to left-handers.
One pitch of his runs sideways more than almost anyone's

Simpson's sinker moves 14.9 inches toward the first-base side, the biggest horizontal move in his arsenal.

58 thrown, averaging 92.9 mph.
This is the pitch he goes to when he needs the out

With two strikes Simpson goes to the curveball: 34% of his two-strike pitches, against 21.2% the rest of the time.

53 two-strike pitches in 2026.
The angle he throws from is unusual, and hitters notice

Simpson releases the ball from a low three-quarters slot, about 31 degrees above horizontal and 1.2 feet to the first-base side of the rubber.

152 tracked release points, averaging 5.0 feet off the ground.
There is one pitch of his that keeps getting hit

Contact off Simpson's sinker leaves the bat at 95.3 mph, against 89.1 off his sweeper.

58 and 41 of them thrown.
He works one part of the zone far more than the rest

Simpson lives at the bottom of the zone: his average pitch crosses at 2.14 feet, against a zone that runs 1.5 to 3.5.

152 located pitches in 2026.

Movement Profile (Induced Break)

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

Player Bio Data
DOB Aug 19, 1997
Birth Place Stafford, CT
Height 6' 2"
Weight 190 lbs LBS
Bats/Throws L/L
College/Draft Columbia