St. Edmund opens the season at home Friday against the Oakdale Warriors. “You don’t get a second chance to make a first impression,” St. Edmund head coach James Shiver said. “It is our first game of the year and I expect our guys to perform well.” Oakdale finished 2-3 in 2020 with wins over Oberlin and DeQuincy. “They are big and strong up front,” Shiver said of the Warriors. “But most of the …