Serena's Coach Thinks Aryna Should Focus, Not Vlog

Serena Williams' coach, Rennae Stubbs, is not holding back after Aryna Sabalenka's shocking exit from the Canadian Open. Stubbs thinks Aryna's off-court distractions are messing with her game. Once a champion, Aryna is now losing to players she used to crush. But don’t worry, Aryna is ready to learn and bounce back at the Cincinnati Open!