He is currently at home resting comfortably, according to a statement released by the team.
Ainge was a guard for the Celtics during the 1980's and was a part of two championship teams. He rejoined the team in 2003 to run the franchise.
He orchestrated trades to bring Kevin Garnett and Ray Allen to Boston, the cornerstones of the team's NBA title run last season.
Celtics and NBA fans are reacting to the news-
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ChrisNBC13HD Celtics GM Danny Ainge has a heart attack on the same day it's reveal Kevin Garnett will likely miss playoffs. Coincidence? I had one 2. digigoddess My friend Danny Ainge had a heart attack this morning. Wow he is only 2 years older than me, get well soon Danny! leiboaz Just read that Danny Ainge had a "mild" heart attack. I'm sure if we asked him, he'd say, "Hey, no heart attack that happens to ME is mild." jimmyrabbitte After numerous dealings with Celtics fans, I know how Danny Ainge feels. Also, what the hell, modern life? Ease up a bit!
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isaacforman More rough news for the Celtics: GM Danny Ainge suffered a heart attack. Don't blame him, trying to orchestrate a title defense & losing KG. Peter_KingCNNSI Heard Danny Ainge had a heart attack. Going to organize a bake sale to help with medical bills. Details coming.