With four second remaining, Mavericks guard Spencer Dinwiddie attempted a layup that was blocked by Pelicans wing Trey Murphy. Dinwiddie’s layup clearly hit the backboard before

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It's Thunder vs. Mavericks on Friday in the NBA. Here's how to watch, including time, channel, TV schedule and streaming info.

Kyrie Irving — an expert in rivalries — agreed that the Thunder and Mavericks have become arch-nemesis. “It’s personal. I think it’s the start of a healthy rivalry," Irving said. "... We’re gonna be seeing them a lot over the next few years so it’s good that you set the precedent now what it’s gonna be like.

Kyrie Irving may have returned to the court Friday to help the Dallas Mavericks defeat top-seeded Oklahoma City, but his ongoing back injury will require rest in some instances. Irving missing Wednesday’s controversial loss to the New Orleans Pelicans was an example of him taking a night off to manage a bulging disc in his back.