Motus Sleeve debuts at fall instructional league

Biomechanics technology firm Motus Global completed a pilot study of the Motus Sleeve in partnership with nine Major League Baseball teams during this year’s fall instructional league games. Coaches and trainers from the teams — the Astros, Braves, Dodgers, Indians, Mariners, Orioles, Pirates, Red Sox, and Yankees — received real-time information to help optimize their pitchers’ performance and to prevent injuries.

Read the rest of the article on Beyond the Box Score.



Measuring Trout and Stanton’s swings

It’s been a big week for Zepp‘s MLB partners. Their recent update included three-dimensional swing data and videos from some of the biggest names in baseball. And just hours after one won the American League Most Valuable Player award, another put the finishing touches on a record-breaking 13-year, $325 million contract.

Read the rest of the article at Beyond the Box Score


Pitching Backwards: Designing a Bullpen Usage Critique

Collaboration with Jeff Long

Perplexed, I posed a simple question to a colleague, Bryan Cole. I wanted to know how realistic it is for a manager to use recent performance to ‘predict’ a reliever’s next performance. Bryan built out a series of scatter plots that quickly illustrate how difficult it would be to say with confidence that recent performance was especially significant. We selected three relievers (one elite, one middle-of-the-road, and one poor) to quickly take a look at how recent performance predicts the results of a pitcher’s next outing.

Read the rest of Jeff’s article at Baseball Prospectus ($)