Tell me about football now?

all my friends are gona get together for the superbowl and i dont know nothing about football. i need to know whats going on and i need to know teams and players and maybe some fun facts and stuff. i really have to look like i know my stuff because these are new friends and they love football and i been telling them i love it too but i never seen a game. please help if you guys dont tell about football im gona tell my mom to move again!