The Celtics announced Tuesday that Jayson Tatum suffered a ruptured Achilles tendon in his right foot on Monday against the Knicks.

A week ago, a Celtics dynasty was plausible. They were -900 favorites against the New York Knicks before their second-round series began. That number is +400 on Caesars after Tatum's injury news. Just by virtue of playing in the Eastern Conference,

The Celtics said the 6-time All-Star underwent successful surgery to repair a ruptured right Achilles tendon on Tuesday. No timetable is available for his return, but he is expected to make a full recovery.