CALGARY — Vernon Adams Jr. threw for 324 yards and a touchdown while Quincy Vaughn ran in for a pair of majors as the Calgary Stampeders defeated the BC Lions 32-13 to keep their playoff hopes alive. The Stampeders shut out the Lions in the second half of Saturday’s game in what was a must-win game for the home team. With a Week 21 bye on the horizon, the Stamps can only sit back and hope that their 9-9 record is enough to earn them the West Division’s final playoff spot. BC’s Sean Whyte converted a 48-yard field goal to