Gonsalves’ fastball, which he threw just under 60% of the time, averaged just 89.8 mph and got hit exceedingly hard to the tune of a .403 wOBA and .296 batting average allowed. It was also poor at generating whiffs at just 13.8%.
Thrown almost exclusively to opposite-handed righties (83/87) Gonsalves’ changeup, which at 81.7 mph has good velocity differential off his fastball of 89.8 mph, had a notably poor whiff rate of just 9.1% while allowing a .363 wOBA.
Gonsalves used his slider roughly twice as much as the curve at 15.7%. It’s whiff rate was rather uninspiring at just 24.4% but it was notably better than the curve at inducing swings out of the zone with a 38.8% chase rate.
His least used offering at just 7.8% and slowest at 72.8 mph. The lefty Gonsalves threw his curve mostly to righties (33/40). In a limited sample it showed a good whiff rate of 38.5% but didn’t tempt hitters to expand the zone too often with just a 23.1 % chase rate.