This wisdom comes from CJ Mahaney. You can listen to this short explanation here from the 11:40 mark to the 13:15 mark.
What does humility look like during and after the game?
1. Welcome the critique of coaches and teammates
2. Recognize your gifting and thank God
3. Recognize your limitations and acknowledge them
4. Be gracious in defeat and modest in victory expressing your gratefulness to the coach and referees.