This is going to happen to a lot of kids:

December

Athlete: "Sorry, coach, I've enjoyed my time here, BUT WITH THAT BEING SAID, I'm throwing my name in the portal."
Coach: "That's too bad. Good luck in your pursuit."

February

Athlete: "Uhh... coach, can I re-join the team?"
Coach: "Sure, but we don't have a scholarship for you."
Athlete: "Wait, what??"
Coach: "Yeah, you were already 2nd team and we signed another kid from the portal in your same position. You knew we would do this, right?"
Athlete: "Ohhh..."