The Blues drafted Pochiro in the fourth round, 112th overall, of the 2013 draft. Pochiro was born in St. Louis, and has spent the past two years playing for the Prince George Cougars of the Western Hockey League (WHL). He ranks third in points with the Cougars with 27 goals and 39 assists.
At the 2013 Prospect Tournament, in Traverse City, Michigan, he registered on goal, one assists, and eight penalty minutes in four games.