Two of the NBA's best teams, the Oklahoma City Thunder and Cleveland Cavaliers, will face each other on Wednesday (7 p.m. on ESPN). Cleveland boasts a 31-4 record, best in the league, while Oklahoma City is right behind the Cavs at 30-5.

Oklahoma City's recent wins against the Boston Celtics and New York Knicks have catapulted the Thunder to championship contenders in the eyes of national media.

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Jarrett Allen collected 25 points and 11 rebounds to lift the host Cleveland Cavaliers to a 129-122 victory over the Oklahoma City Thunder on Wednesday in a battle of the NBA's top two teams. Evan Mobley contributed 21 points,

Injuries in Dallas, drama in Miami and a superstar returning for the Clippers impact the latest ranking of all 30 NBA teams.

This is a potential NBA Finals preview (Oklahoma City beat the other big threats out of the East in Boston and New York last week). It’s also a showdown of the best offense in the NBA in the Cavaliers, against the Thunder’s best defense in the league. That’s the headline for this game.

The superteams era is over. Deep rosters, versatile lineups and a relentless style of play are proving to be the best path to success.

The Oklahoma City Thunder had their franchise-best 15-game win streak snapped in a 129-122 loss to the Cleveland Cavaliers on Wednesday. A historic matchup of the league's best two teams delivered. Shai Gilgeous-Alexander finished with an efficient 31 points.

The two best teams in the NBA — the Cleveland Cavaliers and Oklahoma City Thunder — squared off in the first game in league history featuring clubs on 15 and 10 games winning streaks.

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