This is the location of all his individual pitches and a zone chart at the top showing density of locations.

This is the location of all his Sliders. On average he throws it 85.4 MPH and topping out at 88.2 MPH.
He will typically have 17.7 revolutions (2407 RPM) from hand to the plate. He throws it in the strike zone 42% of the time.

This is the location of all his 4-Seam Fastballs. On average he throws it 93.7 MPH and topping out at 96.1 MPH.
He will typically have 16.0 revolutions (2385 RPM) from hand to the plate. He throws it in the strike zone 59% of the time.

This is all his pitches showing horizontal & vertical movement with gravity in inches.

This is the movement of his Slider. On average the ball moves 2 inches away from a right handed batter
and drops 37 inches . League average horizontal movement is 6 inches and 37 inches drop.

This is the movement of his 4-Seam Fastball. On average the ball moves 10 inches towards a right handed batter
and drops 14 inches . League average horizontal movement is 7 inches and 15 inches drop.

This is all his release points. On average he releases the ball 6.6ft from the ground.

This is the release point of all his Sliders. On average he releases the ball 6.5ft. from the ground.

This is the release point of all his 4-Seam Fastballs. On average he releases the ball 6.6ft. from the ground.

This all his pitches out of the zone.

This is all his pitches on the edge of the zone.

This is all his swing & misses.

Radial Chart

Barrels

Spray Chart

Here's the flow of all
Gallegos's pitches this season. Connecting bars and pie charts
are sized by density of pitches for each count. Slider 4-Seam Fastball