Gibson’s changeup worked off his sinker and came in eight ticks slower, which is decent seperation. The pitch got a solid 20.2% SwStr%, but it only converted to a 28.3% K%, which leaves some room for improvement.
Gibson’s curveball struggled to a careerlow -5.2 pVAL, as he allowed a 36.4% HR/FB%.
Gibson’s fastball, like his sinker hit a career-high average velocity. Unfortunately it was plagued by the long ball as the pitch allowed a .263 ISO.
Gibson’s sinker hit 93.6 mph and found the zone 52.7% of the time, both career-highs. The pitch earned a career-high 62.6% GB%, but the BABIP on the pitch regressed from its 2018 rate of .266 up to .324.
Gibson’s slider was his chase pitch as it hit the zone just 22.2% of the time, but got a 26.7% SwStr% and 48.1% O-Swing%. The slider hit 47.9% K% and 37.5% IFFB%, both career highs.
Gibson threw the sinker at exactly the same rate as in 2017 (35.4%). It averaged 92.8 mph and topped out at 96.5 mph. Like most sinkers, it had an uninspiring whiff rate at just 10.6%. It was also good at coaxing ground balls as it limited hitters to an average launch angle of 1.
Gibson’s four-seamer averaged 93.1 mph and topped out at 96.1 mph. It had a very low 9.8% whiff rate and was hit very hard to the tune of a .390 wOBA and .327 batting average. Overall the four-seamer was just a flat out bad pitch for Gibson in 2018 with a -8.9 pVal.
The slider was third in the pecking order for Gibson at 20.6% thrown (17.2% in 2017). It had an outstanding 51.1% whiff rate (45.6% in 2017), stellar 26.6% swinging-strike rate and a great 45.2% chase rate. It limited hitters to a fantastic .229 wOBA and .163 batting average. Overall it was good for a 7.6 pVal.
Gibson’s secondary breaking pitch, the curve was thrown 10.6% of the time. It showed below average horizontal movement at 6 inches away from righties (league average horizontal movement was 10 inches) and below average vertical drop at 50 inches (league average was 54 inches). It showed a very good 46.7% whiff rate (36% in 2017) but the batted-ball results weren’t too great as it allowed a .328 wOBA and .295 batting average. Overall it was a negative pitch with a -3.7 pVal.
The changeup was Gibson’s least used pitch in 2018 at 10.4% (14.6% in 2017). It had a 36.8% whiff rate (up from 30% in 2017), 41.8% chase rate and excellent batted-ball results limiting hitters to a .201 wOBA and .125 batting average. Overall the change was good for a 2.4 pVal.