The home runs are what is undoing his season
Walter has given up 10 tracked home runs, 8 of them to left field, the longest 445 feet.
10 tracked home runs allowed in 2025.
One type of hitter does all the damage against him
Hitters do their damage on his breaking balls: a .357 expected average against them, against .246 on his offspeed pitches.
183 of his breaking balls thrown.
Hitters cannot square him up, the contact is weak
Contact against Walter is weak: 85.8 mph off the bat on average, 92nd percentile.
814 pitches in 2025. 92nd percentile among qualified pitchers in 2025, 66th in MLB.
There is one pitch of his that keeps getting hit
Contact off Walter's sinker leaves the bat at 94.7 mph, against 78.1 off his sweeper.
102 and 183 of them thrown.
He gets by without much velocity, and it costs him
Walter averages 86.0 mph across his arsenal, 11th percentile in the league.
814 pitches in 2025. 11th percentile among qualified pitchers in 2025, 693rd in MLB.
The shape of the contact off him says how he gets outs
45.6% of the contact against Walter is on the ground and 34.9% of it is in the air.
149 tracked batted balls allowed.
He fills the strike zone and makes hitters beat him
Walter lives in the strike zone: 49.3% of his pitches are in it, 74th percentile.
814 pitches in 2025. 74th percentile among qualified pitchers in 2025, 200th in MLB.
Almost nothing hit off him is hit well
Only 38.8% of the contact Walter gives up is hit hard, 64th percentile.
814 pitches in 2025. 64th percentile among qualified pitchers in 2025, 279th in MLB.
One side of the plate does most of the damage against him
Right-handed hitters average 85.4 mph off the bat against Walter and left-handers 87.3.
122 tracked batted balls from right-handers, 30 from left-handers.
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The numbers behind these live in Pitch Data.
Take me there
The home runs are what is undoing his season
Walter has given up 10 tracked home runs, 8 of them to left field, the longest 445 feet.
10 tracked home runs allowed in 2025.
The shape of the contact off him says how he gets outs
45.6% of the contact against Walter is on the ground and 34.9% of it is in the air.
149 tracked batted balls allowed.
One side of the plate does most of the damage against him
Right-handed hitters average 85.4 mph off the bat against Walter and left-handers 87.3.
122 tracked batted balls from right-handers, 30 from left-handers.
The numbers behind these live in Pitch Data.
Take me there
One type of hitter does all the damage against him
Hitters do their damage on his breaking balls: a .357 expected average against them, against .246 on his offspeed pitches.
183 of his breaking balls thrown.
The numbers behind these live in Spray Chart.
Take me there
Hitters cannot square him up, the contact is weak
Contact against Walter is weak: 85.8 mph off the bat on average, 92nd percentile.
814 pitches in 2025. 92nd percentile among qualified pitchers in 2025, 66th in MLB.
Almost nothing hit off him is hit well
Only 38.8% of the contact Walter gives up is hit hard, 64th percentile.
814 pitches in 2025. 64th percentile among qualified pitchers in 2025, 279th in MLB.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Walter's sinker leaves the bat at 94.7 mph, against 78.1 off his sweeper.
102 and 183 of them thrown.
The numbers behind these live in Pitch Data.
Take me there
He gets by without much velocity, and it costs him
Walter averages 86.0 mph across his arsenal, 11th percentile in the league.
814 pitches in 2025. 11th percentile among qualified pitchers in 2025, 693rd in MLB.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Walter lives in the strike zone: 49.3% of his pitches are in it, 74th percentile.
814 pitches in 2025. 74th percentile among qualified pitchers in 2025, 200th in MLB.
Astros
Career team 2025