Two players with Sarnia ties are invited to Hockey Canada’s national men’s summer under-18 team training camp that begins Monday in Edmonton. Two players with Sarnia ties are invited to Hockey Canada’s national men’s summer under-18 team training camp that begins Monday in Edmonton. Sting defenceman Kaden Aucoin and Kingston Frontenacs defenceman Matthew Henderson, of Sarnia, are among 27 players vying to make Team Canada for the Hlinka Gretzky Cup. The tournament in Edmonton includes preliminary-round games for Canada against Switzerland Aug. 3, Slovakia Aug. 4 and Sweden Aug. 5. Aucoin had seven points in 61 games as Sting rookie last season, while Henderson had 18 points in 63 games.