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Dinwiddie's big 3-pointer has Luka hyped up (0:21)

Luka Doncic shows his excitement on the bench after Spencer Dinwiddie knocked down a clutch 3-pointer. (0:22)

12:45 PM ET

Luka Doncic was upgraded to probable to play in the fourth game of the series.

According to sources, there had been increased optimism that Doncic would return to the lineup. The plan is for Doncic to play limited minutes in his series debut once he completes warm-ups without any setbacks, sources said.

The Mavericks are leading the series.

Since Tuesday, Doncic has been doing full-speed basketball activity, playing 5-on-5 on Thursday and Friday, and he is not experiencing any pain in his calf.

The Mavericks have stuck to their plan of being patient with Doncic's recovery because they don't want to risk him getting injured again and potentially being out for the rest of the playoffs.

This report used information from Tim MacMahon.