According to Meltzer, Showtime executives became a bit paranoid with the UFC poaching fighters like Nick Diaz, Dan Henderson, and Alistair Overeem in 2011 after purchasing Strikeforce. In reaction to that, they wrote in a clause to the new deal that would prohibit several top names in Strikeforce from fighting in the UFC as long as Showtime airs MMA. That bars several top names from being signed with the UFC even after their contracts expire, and the UFC agreed to the deal

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