Alouettes at Calgary Stampeders: Five things you should know

Here are five things you should know about the Alouettes-Calgary Stampeders game at McMahon Stadium on Saturday (9 p.m., TSN, RDS, TSN Radio 690).
Matchup: Talk about two teams going in opposite directions. The Stamps (4-0) remain the CFL’s only undefeated club and will be attempting to start the season with a fifth successive victory for the first time since 1995, when they went 7-0 with quarterback Doug Flutie. The Als (1-3) are coming off a bye week, having last played on July 6. If not