Every sports movie has the same premise:
Introduce the character, maybe show them as a child or what their family did or something similar.
Have them work hard to get on the team, maybe fail a few times, make it.
When on team, have a big event come up.
Have main character quit the sport before main event.
Main character decides to rejoin after pep talk from someone, such as relatives or team members or coach or self discovery.
Have them come to event, usually at the last minute.
Have character's team win this event (usually) by a few points.
Heroic victory, maybe show the character's love interest, everyone applauding for main character, etc.