[1] Pelech played four seasons in the Ontario Hockey League with the Sarnia Sting, London Knights and Belleville Bulls.

He was sidelined in January 2010 with a blood clot in his arm, an ailment team doctors initially feared was season ending.

Pelech recovered in time to join the Heat for their playoff run, appearing in all 13 of the team's post-season games.

[4] Pelech appeared in 59 games for the Heat in 2010–11, scoring 3 goals, 2 assists and adding 198 penalties in minutes (PIM).

[7] Pelech, who was moved to the right wing and developed into an enforcer role in the Sharks organization,[8] returned to Worcester for the 2012–13 season where he recorded seven points in 58 games and added a career-high 238 PIM.

[8] He scored his first NHL goal – the game winner – against goaltender Roberto Luongo in a 4–1 victory over the Vancouver Canucks on October 10, 2013.