2009-10: Ian McCoshen, a native of Faribault, MN, attended Shattuck-St. Mary's in his hometown and skated for the school's bantam team. In 58 games he scored 21 goals with 35 assists and had 46 penalty minutes.
2010-11: McCoshen played in the USHL as a 15-year-old, skating in 42 games for the Waterloo Black Hawks. He had 6 assists and was minus-nine with 38 penalty minutes. McCoshen played in two playoff games for Waterloo and was minus-one with no points or penalty minutes. The Saginaw Spirit selected him in the sixth round (112th overall) of the 2011 OHL Priority Draft.
2011-12: McCoshen returned to Waterloo for a second USHL season and represented the USA in the 2011 U19 World Junior A Challenge. In 55 games with the Black Hawks he scored 8 goals with 12 assists and was plus-four with 43 penalty minutes. Waterloo reached the USHL finals against Green Bay after finishing third in the West during the season. In 15 playoff games McCosh scored 4 goals with 3 assists and was plus-four with 6 penalty minutes. In five games at the WJAC he had 1 assist with 4 penalty minutes.
2012-13: McCoshen spent a third season in the USHL with Waterloo and in November committed to playing college hockey at Boston College in 2013-14. In 53 games with the Black Hawks he scored 11 goals with 33 assists – both career highs – and was plus-35 with 48 penalty minutes. Waterloo finished third in the West Division. McCoshen scored 2 goals with 2 assists and was minus-two in the five-game playoff series with Fargo. McCoshen took part in the 2012 All-American Top Prospects Game, and also was chosen to play in the 2013 USHL Top Prospects Game. He was ranked 24th amongst North American skaters in Central Scouting's final rankings prior to the 2013 NHL Draft.
McCoshen has the type of size that NHL teams covet in a defender, but he doesn't always put that size to good use. He possesses some offensive ability, including an above-average slapshot that would be useful on any NHL power-play. He does use his long reach well and is generally sound in his own end, but McCoshen could stand to be a bit more physical with opposing forwards.
McCoshen will leave the Waterloo Black Hawks and head off to play college hockey for Boston College. He has a bright future as an offensive defenseman, but will play at least two seasons in the NCAA before he will be close to taking on professional forwards.