Bogosian (born July 15, 1990) is an American professional ice hockey defenseman for the Buffalo Sabres of the National Hockey League (NHL).
Bogosian was regarded as a complete, physical defenseman who could contribute on both offense and defense; he was rated as one of the top players heading into the 2008 NHL Entry Draft, where the Atlanta Thrashers selected him third overall.
Bogosian first played in an international tournament when he joined the American national team at the 2009 IIHF World Championship.