Dolphins say Bills’ Jerry Hughes head butted a coach

ORCHARD PARK, NY - DECEMBER 24: A Buffalo Bills fan celebrates in the stands during the second half against the Miami Dolphins at New Era Stadium on December 24, 2016 in Orchard Park, New York. (Photo by Brett Carlsen/Getty Images)

A skirmish broke out on the Dolphins’ sideline during Sunday’s game against the Bills, and a Miami coach took a shot that some Dolphins say was cheap.

It’s hard to tell…