"The Ultimate Fighter 13" could do record ratings, but will Brock Lesnar benefit?

With today’s official unveiling of Brock Lesnar and Junior Dos Santos as “The Ultimate Fighter 13” coaches, the Spike TV reality series could see its biggest ratings since the record-breaking 10th season.

That’s when Kevin “Kimbo Slice” Ferguson, Roy …

With today’s official unveiling of Brock Lesnar and Junior Dos Santos as “The Ultimate Fighter 13” coaches, the Spike TV reality series could see its biggest ratings since the record-breaking 10th season.

That’s when Kevin “Kimbo Slice” Ferguson, Roy Nelson and a host of other heavyweights brought unparalleled attention to the six-year-old series.

Lesnar, the UFC’s pay-per-view kingpin, undoubtedly will stir interest in “TUF,” which debuts March 30. But the added exposure has been a mixed bag for past coaches.