Answer:
What this incident reveals about the narrator is that "He knows how to take ridicule in stride."
Explanation:
This little excerpt presents an event that might be very embarrassing for many, but not for the narrator who was able to manage the pressure of being seen by an audience at the same time that his team was expecting him to do well at the game, as he misses the ball and smiles at the girl that was making fun out of his mistake, he shows himself as a down to earth person with absolute control over his reactions.