I was homeless as a teen. The survival skills I learned now help me coach Aryna Sabalenka.

Jason Stacy coaches Aryna Sabalenka, who is playing in the US Open. Courtesy of Jason Stacy Jason Stacy is a performance coach who helps Sabalenka train physically and mentally. He's also a dad of four, and he aims to teach his kids the same things he coaches. He draws on skills like reading…