In seven All-Star contests, Kevin McHale posted just 8.7 points and 5.3 rebounds in 17.9 minutes a game. Per 30 minutes (no one usually plays more than that), though, that's 14.6 points and 8.9 rebounds per game, so McHale's production is only tied to his limited run.
In it, the Hall of Famer's efficiency was outstanding. McHale averaged .230 win shares per 48 minutes for a total of 0.6 win shares in his All-Star Game career. It sure helps that McHale's teams are undefeated with a record of 7-0.