1

After the Kyrie Irving trade, not even the Mavericks' harshest critics predicted a complete collapse. 

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After all, they acquired Kyrie Irving in a trade, one of the best ball-handlers in NBA history and a player who had primarily off-court issues. 

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It was their most recent effort to find Doni a long-term co-star after Porzingis proved to be too brittle and Jalen Brunson to be too expensive.

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Irving met his obligations, based on the fundamental numbers. In Mavericks gear, he shot 51% from the floor and 39.2% from beyond the arc for averages of 27.0 points, 6.0 assists, and 5.0 rebounds

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When he was on the court, Dallas had a 121.4 offensive rating, which is higher than any NBA player who is not named Nikola Jokic or who does not have a teammate named Nikola Jokic.

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The one area where the trade actively hurt the Mavericks rather than helping them was defence. Dallas sent away Spencer Dinwiddie and Dorian Finney-Smith in order to acquire Irving, a player who has never been known for his defence. 

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The latter player was a crucial part of the Mavericks' defence and a solid wing for a team that didn't have many solid wings.

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The Mavericks' defensive rating from Irving's first game in Dallas was 118.3, fifth-worst in the NBA. The Mavericks have one of the best offences in NBA history when they are at their best

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but the addition of Irving and removal of Finney-Smith put pressure on a defence that was already overloaded with seasoned players.

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Irving and Doni may have also experienced a variation of the Los Angeles Lakers' Russell Westbrook problem, where a ball-dominant player simply wasn't valuable and 

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enough off the ball to justify the resources invested in pairing him with a seasoned superstar, despite Irving being much more effective than Westbrook.