The three-time Grand Slam champ's rep confirmed the engagement to CNBC.
"Maria Sharapova's agent Max Eisenbud has confirmed to me that she is engaged to the Lakers' Sasha Vujacic," sports reporter Darren Rovell Tweeted.
Vujacic, 26, popped the question to Sharapova, 23, Tuesday night at his Manhattan Beach, Calif. Home.
Source: People