Miami made the announcement at the start of the second half. Butler also missed Game Five of the Heat's first-round series with the Hawks because of the same injury.
Butler played 20 minutes in the first half Saturday (Sunday, Manila time), scoring eight points on 3 of 8 shooting. He was coming off a team-high 29-point performance in Miami's Game 2 loss.
The Heat led 62-47 at the half.
Miami began Game 3 playing at full strength after getting back starting point guard Kyle Lowry for the first time this series. He had missed eight of the previous team games with a right hamstring injury.
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