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Morning Mound Visit: sabermetrics news - 11/15/19

Vlad Jr.’s sub-par debut; the audio footprint of sign-stealing; load management

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MLB: Toronto Blue Jays at New York Yankees Brad Penner-USA TODAY Sports

FanGraphs | Devan Fink: It’s kind of a surprise in retrospect that Vlad Guerrero Jr. didn’t win the Rookie of the Year, but not in the micro-sense as we remember what a poor year he had. That was largely because of his low launch angle (yet large distribution), so he will need to consistently hit the ball a few degrees higher on average to have success.

Baseball Prospectus | Rob Arthur ($): There is now a lot of anecdotal evidence that the Astros were using electronic sign-stealing in 2017, and there’s also audio evidence to prove it, too. The banging trash can used leaves undeniable proof, popping up consistently on non-fastballs throughout the year.

The Athletic | Eno Sarris ($): Just like in the NBA, proactive load management is probably coming to baseball, too. While it’s weird to think about sitting healthy players, the act of proactive rest as opposed to reacting to observable fatigue is probably beneficial to the overall health of their player, their development, and their value to you in the long-term.