On a hot, swampy November afternoon at IMG Academy in Bradenton, Florida, the private school’s boys’ lacrosse team is huddling around the bench draining water bottles after a round of drills. It’s a scene like any other on high school fields around the country . . . except here there’s a small crew of men sitting off to the side with laptops, running diagnostics on the team’s fluid intake, tracking each player individually through smart chip–enabled refillable water bottles.
