Career
He is currently playing with the Boston College Eagles in the National Collegiate Athletic Association Hockey East conference. McCoshen was selected by the Florida Panthers in the 2nd round (31st overall) of the 2013 National Hockey League Entry Draft. McCoshen played three seasons (2010-2013) of Tier 1 junior ice hockey with the Waterloo Black Hawks of the United States Hockey League (USHL).
He was selected to both the 2012 and 2013 USHL/National Hockey League Top Prospects Game, and in his final season McCoshen was further recognized for his outstanding play when he was named to the 2012-2013 USHL First All-Star Team.
McCoshen got off to a good start in his National Collegiate Athletic Association campaign at Boston College with a 13 point year as a top defensemen for the Eagles. He scored British Columbia"s first goal of the season and was on SportsCenter"s Top-10 plays for his goal-saving effort in a game against Minnesota.
He also earned rookie of the week honors for his game winning goal against UMass Lowell during the National Collegiate Athletic Association tournament. McCoshen played at the 2014 World Juniors for the United States.