"The Red Sox have made John Soteropulos an assistant hitting coach, reports Jen McCaffrey of The Athletic. Soteropulos had been a minor-league hitting coordinator since 2023. Before joining Boston's organization, Soteropulos was a trainer at Driveline Baseball. McCaffrey adds that Soteropulos worked with minor leaguers on boosting bat speed and exit velocity during his time as a hitting coordinator. That group included top prospects Kristian Campbell, Roman Anthony, and Marcelo Mayer. The trio debuted in 2025, with varying results."
"Campbell made the team out of camp. He hit .301 through April, then fell off a cliff in May, batting .134. He continued to scuffle into June and found himself back in the minors. Mayer got the call at the end of May. He showed big power, though it came with strikeout issues. A wrist injury ended his season in July."
"Anthony had by far the most success of the bunch. He joined the big-league club a few weeks after Mayer. Anthony shook off a slow June to put up a massive July and August. He posted a .920 OPS and a 156 wRC+ from the beginning of July through the first week of September, when he injured his oblique. The strain would end his season."
John Soteropulos was promoted to assistant hitting coach for the Boston Red Sox after serving as a minor-league hitting coordinator since 2023 and previously working as a trainer at Driveline Baseball. He worked with minor leaguers to boost bat speed and exit velocity, including Kristian Campbell, Roman Anthony, and Marcelo Mayer, who debuted in 2025 with varied outcomes. Campbell started well then regressed and returned to the minors; Mayer showed power but had strikeout issues and a season-ending wrist injury; Anthony produced a .920 OPS and 156 wRC+ in July–August before an oblique strain ended his season. Pete Fatse remains hitting coach, and Dillon Lawson joins as assistant. Several former Driveline staff have moved into MLB roles.
Read at MLB Trade Rumors
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