Ainge is expected to make a full recovery.
Boston Celtics president of basketball operations and general manager Danny Ainge suffered a mild heart attack in Milwaukee on Tuesday, the team announced on Thursday.
According to the Celtics, Ainge received immediate medical attention during the team's Game 2 matchup against the Bucks. He is expected to make a full recovery.
Ainge, 60, will return to Boston on Thursday evening. According to The Athletic's Shams Charania, Ainge was active and feeling much better on Thursday. Ainge previously suffered a minor heart attack in 2009 that required a brief stay in the hospital.
The Celtics and Bucks are tied 1–1 in the Eastern Conference semi-finals series. Boston defeated the Bucks 112–90 on Sunday before Milwaukee took down the Celtics 123–102 on Tuesday night.
The two teams will face off in Boston on Friday at 8 p.m. ET.