Jayson Tatum injures knee during game in London

NBC Sports Boston Staff
NBC Sports Boston
<p>Al Horford's pass to Jaylen Brown proves to be the winning move for the Celtics to escape Denver with a one-point victory.<br> </p>

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Al Horford's pass to Jaylen Brown proves to be the winning move for the Celtics to escape Denver with a one-point victory.

Jayson Tatum hurt his left knee in the third quarter vs the 76ers on Thursday.

Brad Stevens said Tatum's knee stiffened and swelled up the following morning, and the 19-year-old rookie would undergo further testing.

Tatum sat out of the Celtics' practice session, but no other details about the injury have been released. Stevens told reporters, "They don't think it's a big, big thing, but certainly we want to be cautious and want to know exactly what happened."

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