It was the bottom of the eighth inning. The pitcher was extremely tired from throwing the entire game, and his arm had turned to jelly. The batter had two strikes against him already. The pitcher knew that if he could load his arm with power just one more time, he could strike the batter out. What internal conflict is happening in this passage?

The pitcher is battling his weakened arm.
The pitcher is battling the visiting team.
The pitcher is battling the batter at the plate.