OntarioHockeyLeague.com Artur Cholach is a defenseman who is a prospect for the National Hockey League’s Vegas Golden Knights. He previously played with the Ontario Hockey League’s Barrie Colts. Before the start of the April 25 first-round playoff game against the Mississauga Steelheads, the Barrie Colts presented two checks, each in the amount of $10,000, to...