DENVER — Joe Musgrove was in the pool, following the instructions of his teachers, but he and his fellow neophytes were struggling. His stomach convulsed, and his lungs pleaded with his brain to surface for air. Musgrove, the emerging ace of the San Diego Padres, held out until the last desperate instant, almost to the breaking point, before he finally came up for air.
Then he went down again, this time for longer.
It was an underwater training class for athletes called Deep End Fitness,…
Join our social media accounts to watch exclusive videos and photos