Dennis O'Brien (ice hockey)
Dennis Francis O'Brien is a Canadian former professional ice hockey defenceman who played in the National Hockey League (NHL). He featured in the 1978 Stanley Cup Finals with the Boston Bruins.
Dennis O'Brien (ice hockey)
Shane O'Brien (ice hockey)
Shane O'Brien is a Canadian former professional ice hockey defenceman. His National Hockey League (NHL) career lasted nine years.
O'Brien warming up while a member of the Anaheim Ducks during the 2006-07 NHL season
O'Brien fighting Kyle Chipchura of the Anaheim Ducks in December 2009