Six-time Stanley Cup champion Mark Messier and Toronto Maple Leafs star Morgan Rielly to captain opposing teams for annual charity game Hockey Hall of Famer and six-time Stanley Cup champion Mark Messier is the latest hockey legend confirmed for Hockey Night in Brampton, taking on the role of Team Captain alongside previously announced Toronto Maple Leafs defenseman Morgan Rielly for the August 19 charity game in support of Brampton’s second hos…