Hosmer attended the State University of New York at Potsdam from 2008 to 2011 and one year at Morrisville State College, before beginning his professional career with the Mississippi Riverkings of the Southern Professional Hockey League where he scored 15 goals and 19 assists in 41 SPHL games to be selected to the 2012-2013 SPHL All-Rookie Team.
He is currently playing for the Wichita Thunder of the ECHL. The following year he played 14 games in the ECHL with the Greenville Road Warriors, but played the bulk of the 2013-2014 season with the Mississippi Riverkings where he was recognized for his outstanding play by being named to the 2013-2014 SPHL First All-Star Team. On August 13, 2014, Hosmer signed a one-year contract as a free agent with the Wichita Thunder of the ECHL.
