Boston's trainers tended to a writhing Tatum, who ultimately was escorted out, unable to place weight on his right leg. A few minutes later, the ESPN broadcast panned to Tatum being wheeled to the locker room in a wheelchair.

While we don't know the type of injury yet, many are concerned it could be some time before he's back on the court.

After Jayson Tatum's Achilles tear, the Boston Celtics could explore trying to land Cooper Flagg with a trade package headlined by Jaylen Brown.

Instead, they lost the game, and their best player, Jayson Tatum, left the game in the fourth quarter with an apparent leg injury that is expected to knock him out for the rest of the series.