Osuna’s changeup came in 12 mph slower than his fastball and achieved a 21.1 SwStr%. The pitch allowed a 4.8% line-drive rate while striking out 42.9% of batters.
Osuna’s fastball came in at a career-high 96.6 mph, and the pitch got a career-high 13.5 SwStr%. Despite a 33.3% line-drive rate, the pitch posted a 36.7% IFFB rate.
Osuna’s cutter saw a sizable amount of BABIP regression from 2018 to 2019, going from .455 to .a 148 BABIP, despite an increased line drive rate. The pitch also saw an increased K% and allowed a 5 wRC+.
Osuna’s slider got an incredible 28.1% SwStr and 52.7% O-swing rate, which led to a 43.6% K rate. On the batted-ball front, the pitch put up a 63.6% ground-ball rate and allowed a 3 wRC+.
Osuna cut back drastically on four-seamer usage in 2017, then returned to throwing it more than half the time in 2018. The pitch regained some velocity last season and did a nice job getting strikes in and out of the zone.
This is a interesting one, as Osuna’s cutter classifies as a Money Pitch but gave up a .357 average and 143 wRC+ last season. An elevated BABIP is likely to blame.
Osuna’s slider generates a massive chase rate and whiff rate, but he threw it at a career-low rate in 2018. Opponents have never managed better than a .158 average, including a paltry .115 last season.
Osuna doesn’t throw his changeup too often, but it’s a nice putaway pitch. The change has an excellent chase rate and whiff rate, and slight improvements in zone rate would get it to Money Pitch status.
Osuna cut down on the sinker in favor of his four-seamer, with good reason. The pitch gets strikes but gives up too much solid contact, Osuna should probably ditch it.