For more than a month, Sporting Kansas City used a warmer climate in the Southwest to practice and prepare for the 2019 season. But one of its top training techniques transpired while players were asleep.
From their hotel rooms in Scottsdale, Ariz., players altered their bedtime routines at the request of coaches. Before they fell asleep, they pulled individual enclosures over their heads and chests. They flipped on a switch, and air pumped into the devices.
Sporting KC is traveling to Toluca, Mexico, for the second leg of their CONCACAF Champions League series Thursday.