People get SUPER invested in sports that way. You can see it in the sports threads and the way people carry themselves. Emotional as all hell.
It gets more emotional when you're a part of a team, be it little leagues/high school etc.
Been on a team that lost and won a championship. Losing that last game hurt, especially when you're young.
I love how her face goes from sadness to smiles when she notices the camera is on her. It's so cute lol.