I need help starting this off?

ok, i know how i want to start my story off now. I want the setting to be at a highschool after school. It's 5 more minutes left of a football game. And one of the charaters of the story is on that football team, his name is, Sam. Everyone is sitting on the bleachers cheering for Sam's team. (hes the football captian). Everyone is cheering including, Hayley and Scotter (Sam's two best friends) And his girlfriend, Brook. I just need a way to make it interesting when I start it off, with all I just told you. please help...