During last night's 3-2 shootout win over the Toronto Maple Leafs, Boston Bruins assistant coach Jeff Ward was having problems with his earpiece.
So, he decided to best way to get rid of it was to take it out and chuck it behind his head. Under normal circumstances, this wouldn't be anything special.
Except for the fact that the earpiece landed in a fan's beer behind the boards within range of NESN cameras:
(Courtesy of Sports Kings)