Answer:
"I guess Coach Rossi thought I did really well because he asked me to pitch a few before the inning was up."
Neither, a metaphor would be like "I'm so hungry that I could probably eat an elephant," while a simile would have 'like' or 'as' to describe something.
The climax is the part of the story where the story is the most intense, and the conflict is beginning to resolve.
If you were making a story arc, the climax would be the highest point.