"One of the toughest pitches to execute, but it's a separator, is the 2-0 fastball, [throwing a] quality-located fastball at 2-0 when you get behind that you can get back in the count," Showalter said. "When he did get behind, he made a pitch to get back in the count. … Instead of that 2-0 pitch being center-cut, it was a place where he could still get an out if the guy was aggressive."