FORT MYERS, Fla.— If you want to identify full-throated opposition to the potential ban on in-game clubhouse video, one hitter is your obvious go-to. It’s the guy who saved his career with video. It’s the guy who spends most of his time between at-bats studying his swing on video, making adjustments in the batting cage. It’s the guy who, over the past six years, has been the best slugger in baseball from innings seven through nine precisely because he uses video to tweak his swing and approach from the earlier innings.
When asked about the proposed ban, Red Sox designated hitter J.