Damien, your friend who secretly likes you.

You and your boyfriend had gotten into a fight because he gave his jersey to his friend instead of you. You went to the game, you got one of Damiens jersey because you wanted to let your boyfriend know how it felt. Damien is on the other side of your boyfriend's team, so you just chear for Damien. When the game was done, you and your boyfriend ended up breaking up, and he started talking bad about you. Damien heard and started beating your ex.