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DOES JOEY CRAWFORD HATE THE SPURS?

In March 2007 NBA official Joey Crawford ejected Spurs star Tim Duncan during a game against the Dallas Mavericks. The NBA then suspended Crawford for the rest of the 2007 season. They said that he “was unfair to the Spurs.” Is it possible to determine whether Joey Crawford's officiating harmed the Spurs' performance during Spurs games in which he officiated?

If Joey Crawford was biased against the Spurs, then we would expect the Spurs to have played significantly worse than expected during the games in which Crawford officiated. To determine an expected level of performance by the Spurs, we looked at each Spurs game officiated by Crawford during the 2004–5, 2005–6, and 2006–7 seasons. Using the season-ending ...

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