Scott Alexander on His One-Seam Power Sinker
Scott Alexander threw his power sinker 91.9% of the time last year — the highest percentage among pitchers to toss at least 40 innings — and for good reason. It was an elite offering. Working out of the Kansas City bullpen, Alexander logged an MLB-best 73.8% ground-ball rate and snazzy 2.48 ERA over 58 appearances covering 69 frames.
His worm-killing weapon will be on display in a new location this coming season. In a deal examined by Travis Sawchik last night, the Los Angeles Dodgers acquired Alexander in a three-team trade that also involved the Chicago White Sox.
The 28-year-old southpaw qualifies as a late-bloomer. A sixth-round pick by the Royals in 2010 out of Sonoma State University (he was originally at Pepperdine), Alexander went into last year with just 25 big-league innings under his belt. Thanks to a velocity jump and increased usage of his sinker, however, he emerged as one of the best under-the-radar relievers in the junior circuit.
Alexander discussed the evolution of his signature pitch when the Royals visited Fenway Park last summer. Also weighing in on the southpaw’s development was Kansas City bullpen coach Doug Henry.
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Alexander on learning his sinker: “I throw a one-seam sinker. The grip was taught to me in college by Scott Erickson. I think he might have been trying to make a comeback at the time, and he’d come over to our field, at Pepperdine, to work out. I was throwing a bullpen and he saw that my ball had natural movement to it, kind of a natural tail. He asked me what I was throwing, and I showed him my grip, which was a four-seam. He showed me his one-seam grip.