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Breaking news, referees in professional sports don't always make the correct calls.

This may come as a shocker to some, but it's true. To be fair, being a referee is tough work, especially in the NBA. With so many moving bodies and all those rules to keep fresh in your mind, it's human nature to make a mistake every now and then.

That being said, there have been some absolutely inexcusable calls over the years, especially when the intensity dials up during playoff time.

Here are 10 of the worst referee calls in NBA postseason history.