It didn't go well the last time Bieber Fever struck an NHL venue, as a Rick Rypien memorial outside of Rogers Centre in Vancouver was defaced. Wary of escalating tensions, hockey has dropped goodwill ambassador Sidney Crosby into the fray—Bieber's tour stop at the Consol Energy Center in Pittsburgh last night.

His season over, last night Dirk was in Grand Prairie, Texas, to catch indie-folk band the Avett Brothers. Naturally, he was invited on stage to join in on "I Killed Sally's Lover." Dirk was handed a tambourine, and proceeded to rock right the fuck out. (Fun starts at the two-minute mark. [Cosby Sweaters]

It is nearly a proven fact by now that sports fans do not appreciate Nickelback disgracing their teams' venues with their loud, raspy wailing. The NHL made the mistake of announcing that the group would headline the Winnipeg Jets' home opener back in September, but organizers scrapped the plan—possibly thanks, at least …