The Toronto Maple Leafs have signed forward Borya Valis to a three-year, entry-level contract, the team announced Saturday.Sports, Hockey, Leafs, Leafs hockey, Maple Leafs, National Hockey League, NHL, toronto hockey, Toronto Leafs, Toronto Maple Leafs, Toronto sports The Toronto Maple Leafs have signed forward Borya Valis to a three-year, entry-level contract, the team announced Saturday.