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Morning Mound Visit: sabermetrics news - 8/20/19

Julio Teheran’s rare, good sinker; the end of September baseball; Strawberry vs. Mattingly

New York Mets v Atlanta Braves Photo by Carmen Mandato/Getty Images

FanGraphs | Devan Fink: The sinker is nearly dead, at least among starters, which makes Julio Teheran an interesting exception. Not only does he throw it effectively more than almost any pitchers, and certainly every starter, he succeeds with it by even throwing it up in the zone against left-handers.

Baseball Prospectus | Rob Mains ($): With the rules on roster expansion changing next September (from 40 to 28 players), you can guarantee that the September baseball we know—namely, more relievers, more walks and strikeouts, and less scoring—will thankfully come to an end this year.

Tangotiger Blog | Tom Tango: It was posed whether people prefer Darryl Strawberry or Don Mattingly’s style of play, and they preferred the former. But their wOBA’s were remarkably similar despite the difference in batting average, so is a higher batting average more important? It doesn’t, as the trade-offs, while aesthetically better one way or the other in your mind, come out mathematically the same in terms of run value.