Chris Sale in Crisis: Rookie Andrew Abbott's Emergence Sparks Pitching Revolution
You can also see in the graphic below how well his changeup (green dots) tunnels with his sinker (orange dots) with similar release points and attack angles, but with a six mph velocity gap and different movement profiles.
The tunneling effect of the changeup and sinker is also part of the reason Roupp has upped his changeup usage against righties to 10%, and the pitch has posted a 19% SwStr% to them so far.
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You can also see that Roupp has a very East-West movement profile with the sinker and changeup running arm-side, and then his big curveball (blue) featuring tons of gloveside movement. Since Roupp has a lower release point, his curve has a lot of sweep, with about 20 inches of horizontal movement and 10 inches of vertical drop that make it almost like an old school slurve. He uses the pitch confidently to both righties and lefties, and while it misses more bats to righties, it’s an above-average swinging strike rate to both, and he does an impressive job of keeping it low in the zone.
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