When he falls behind, hitters know exactly what is coming
Behind in the count Foster throws a fastball 88.7% of the time, against 60.7% when he is ahead.
53 pitches behind in the count, 56 ahead.
One pitch of his moves in a way hitters rarely see
Foster's 4-seam fastball carries 17.6 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
113 thrown, averaging 96.0 mph.
This is the pitch he goes to when he needs the out
With two strikes Foster goes to the slider: 36% of his two-strike pitches, against 16.5% the rest of the time.
50 two-strike pitches in 2026.
His fastball is the pitch everything else is built on
Foster's 4-seam fastball averages 96.0 mph, and has touched 98.9.
113 thrown, 59.8% of his pitches.
Almost nothing hit off him is hit well
Only 25% of the contact Foster gives up is hit hard, 96th percentile.
154 pitches in 2026. 96th percentile among qualified pitchers in 2026, 24th in MLB.
He throws about as hard as anybody in the league
Foster averages 92.3 mph across his arsenal, 83rd percentile in the league.
154 pitches in 2026. 83rd percentile among qualified pitchers in 2026, 91st in MLB.
He lives on one side of the plate
Foster works in on right-handers: his average pitch lands 4.2 inches to that side of the middle of the plate.
189 located pitches in 2026.
His pitches move in ways that fit together
Foster works with 3 pitches: 4-Seam Fastball, Slider and Cutter. The 4-seam fastball is 59.8% of everything he throws.
189 classified pitches in 2026.
His ball moves more than the hitter expects it to
Foster's stuff spins at 2,526 rpm, 90th percentile in the league.
154 pitches in 2026. 90th percentile among qualified pitchers in 2026, 53rd in MLB.
He cannot find the zone often enough
Foster works off the plate, with only 40.3% of his pitches in the zone, 24th percentile.
154 pitches in 2026. 24th percentile among qualified pitchers in 2026, 410th in MLB.
The angle he throws from is unusual, and hitters notice
Foster releases the ball from a three-quarters slot, about 62 degrees above horizontal and 0.8 feet to the third-base side of the rubber.
189 tracked release points, averaging 6.0 feet off the ground.
He pitches around the zone once runners are on
Foster throws 42.4% of his pitches in the zone with a runner in scoring position and 38.6% with the bases empty.
66 pitches with a runner in scoring position, 88 with the bases empty.
One pitch of his spins more than almost anyone's
Foster's slider spins at 2,574 rpm, the highest in his arsenal.
41 thrown in 2026.
He falls behind hitters far too often
Foster throws a strike on the first pitch 55.1% of the time.
49 plate appearances started in 2026.
The contact he allows should not turn into many hits
The quality of contact against Foster projects a .296 average, 78th percentile.
154 pitches in 2026. 78th percentile among qualified pitchers in 2026, 118th in MLB.
The gap between his pitches is what makes them work
12.0 mph separates Foster's 4-seam fastball from his slider, 96.0 against 84.0.
113 and 41 of them respectively.
He gets so far down the mound the ball arrives early
Foster releases the ball 6.7 feet down the mound, so the ball arrives sooner than the radar gun suggests.
161 tracked pitches in 2026.
Hitters cannot square him up, the contact is weak
Contact against Foster is weak: 86.8 mph off the bat on average, 74th percentile.
154 pitches in 2026. 74th percentile among qualified pitchers in 2026, 142nd in MLB.
He saves one pitch for one side of the plate
Foster throws the 4-seam fastball 64.9% of the time against left-handers and 52% against right-handers.
75 pitches to right-handers, 114 to left-handers.
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The numbers behind these live in Pitch Data.
Take me there
When he falls behind, hitters know exactly what is coming
Behind in the count Foster throws a fastball 88.7% of the time, against 60.7% when he is ahead.
53 pitches behind in the count, 56 ahead.
This is the pitch he goes to when he needs the out
With two strikes Foster goes to the slider: 36% of his two-strike pitches, against 16.5% the rest of the time.
50 two-strike pitches in 2026.
He falls behind hitters far too often
Foster throws a strike on the first pitch 55.1% of the time.
49 plate appearances started in 2026.
The numbers behind these live in Pitch Data.
Take me there
One pitch of his moves in a way hitters rarely see
Foster's 4-seam fastball carries 17.6 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
113 thrown, averaging 96.0 mph.
The numbers behind these live in Pitch Data.
Take me there
His fastball is the pitch everything else is built on
Foster's 4-seam fastball averages 96.0 mph, and has touched 98.9.
113 thrown, 59.8% of his pitches.
His pitches move in ways that fit together
Foster works with 3 pitches: 4-Seam Fastball, Slider and Cutter. The 4-seam fastball is 59.8% of everything he throws.
189 classified pitches in 2026.
One pitch of his spins more than almost anyone's
Foster's slider spins at 2,574 rpm, the highest in his arsenal.
41 thrown in 2026.
The gap between his pitches is what makes them work
12.0 mph separates Foster's 4-seam fastball from his slider, 96.0 against 84.0.
113 and 41 of them respectively.
He saves one pitch for one side of the plate
Foster throws the 4-seam fastball 64.9% of the time against left-handers and 52% against right-handers.
75 pitches to right-handers, 114 to left-handers.
The numbers behind these live in Spray Chart.
Take me there
Almost nothing hit off him is hit well
Only 25% of the contact Foster gives up is hit hard, 96th percentile.
154 pitches in 2026. 96th percentile among qualified pitchers in 2026, 24th in MLB.
The contact he allows should not turn into many hits
The quality of contact against Foster projects a .296 average, 78th percentile.
154 pitches in 2026. 78th percentile among qualified pitchers in 2026, 118th in MLB.
Hitters cannot square him up, the contact is weak
Contact against Foster is weak: 86.8 mph off the bat on average, 74th percentile.
154 pitches in 2026. 74th percentile among qualified pitchers in 2026, 142nd in MLB.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Foster averages 92.3 mph across his arsenal, 83rd percentile in the league.
154 pitches in 2026. 83rd percentile among qualified pitchers in 2026, 91st in MLB.
The numbers behind these live in Pitch Data.
Take me there
He lives on one side of the plate
Foster works in on right-handers: his average pitch lands 4.2 inches to that side of the middle of the plate.
189 located pitches in 2026.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Foster's stuff spins at 2,526 rpm, 90th percentile in the league.
154 pitches in 2026. 90th percentile among qualified pitchers in 2026, 53rd in MLB.
The numbers behind these live in Pitch Data.
Take me there
He cannot find the zone often enough
Foster works off the plate, with only 40.3% of his pitches in the zone, 24th percentile.
154 pitches in 2026. 24th percentile among qualified pitchers in 2026, 410th in MLB.
The numbers behind these live in Pitch Data.
Take me there
The angle he throws from is unusual, and hitters notice
Foster releases the ball from a three-quarters slot, about 62 degrees above horizontal and 0.8 feet to the third-base side of the rubber.
189 tracked release points, averaging 6.0 feet off the ground.
He gets so far down the mound the ball arrives early
Foster releases the ball 6.7 feet down the mound, so the ball arrives sooner than the radar gun suggests.
161 tracked pitches in 2026.
The numbers behind these live in Matchups.
Take me there
He pitches around the zone once runners are on
Foster throws 42.4% of his pitches in the zone with a runner in scoring position and 38.6% with the bases empty.
66 pitches with a runner in scoring position, 88 with the bases empty.
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