Rivera’s struggles go back to September 11. On September 10, he pitched two innings in Texas. It was a strong performance. He needed just 23 pitches to get through those two innings so Joe Girardi decided it was okay to go with him the next night.
That day things went wrong for Rivera. He needed 21 pitches to get just one out and was pulled without being able to get through the inning.
Here are his numbers from September 11 on:
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