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Aledmys Diaz is trying to improve his defense with strobe glasses

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MLB.com’s Jenifer Langosch reports that Cardinals’ shortstop Aledmys Diaz has been sporting a new look around Busch Stadium with a pair of “strobe glasses,” technology-enhanced specs designed to help athletes focus on the ball. Like a strobe light, the lenses of these glasses affect a player’s vision by rapidly changing opacity, giving its wearers the illusion that the objects they see are moving more slowly than normal. Once a player adjusts to the new speed of play, they gain a greater sense of control and are able to time their actions with more precision.

Diaz isn’t the first MLB player to utilize the technology, just the first Cardinals’ player to do so. It’s been tested by Bryce Harper, Corey Brown, Tommy Joseph, Austin Hedges and Joe Mauer, among others around the league, and has been used for everything from refining a catcher’s reflexes behind the plate to tweaking a hitter’s ability to track a pitch. Per Langosch, Diaz has been using the glasses to hone in on the ball during pregame drills, increasing both his confidence and response time on the field and improving his defense at short.

The shortstop has been the focus of some concern this season after seeing a sizable dip in his production at the plate, and his five fielding errors, 0.6 UZR and 0.6 fWAR haven’t helped matters, either. He sustained a minor thumb injury during an at-bat on Friday night, and was left off of the Cardinals’ starting lineup on Saturday, though manager Mike Matheny didn’t rule out his ability to pinch-hit during the series. While the strobe glasses are a good start, Diaz will need more than a pair of specs to match the spotlight-worthy performance he turned out during his rookie season in 2016.

Michael Kopech has opted out of the 2020 season

Kopech has opted out
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Michael Kopech has opted out of the 2020 season. The White Sox starter informed the team of his decision today, and the team issued a press release to that affect a few minutes ago.

The statement from general manager Rick Hahn. said “we recognize that reaching this decision is incredibly difficult for any competitive athlete, and our organization is understanding and supportive. We will work with Michael to assure his development continues throughout 2020, and we look forward to welcoming him back into our clubhouse for the 2021 season.”

Kopech, 24, has only four big league starts under his belt, all coming in late August and early September of 2018, but after a strong spring training he was likely to make Chicago’s rotation at some point in the 2020 season after sitting out all of 2019 following Tommy John surgery. Kopech was among the players sent to Chicago from the Red Sox in the Chris Sale trade back in December 2016. Others involved in the deal included Yoán Moncada, Victor Diaz, and Luis Alexander Basabe.

Now, however, Kopech has opted out.