 Both Hjalmarsson and Hossa were core members of the Blackhawks roster that won three Stanley Cups in 2010, 2013 and 2015.The team also traded goaltender Scott Darling to the Carolina Hurricanes and center Marcus Kruger to the Vegas Golden Knights, while also lost defensemen Trevor van Riemsdyk to the Golden Knights in the 2017 NHL Expansion Draft and Brian Campbell, who retired.The Blackhawks acquired wingers Patrick Sharp, Tommy Wingels and Lance Bouma in free agency.