Carl Cheffers is the referee for Sunday's game between the Chiefs and Bills, and there's a lot of controversy around him.

It's not an easy job to be an NHL referee. Just ask Michael Markovic. Working the Devils' 3–1 win over the Panthers on Thursday night, Markovic hopped on the microphone and made a funny mistake in ...

Matt Frevola and Kevin Holland were involved in controversial fights at UFC Vancouver, with referee Dan Miragliotta making questionable calls. Frevola ...