I have a timeline for boxers, that may or may not be accurate.

Some boxers peak early and decline fast
Some boxers peak early and decline slow
Some boxers peak around the expected time and decline fast.
Some boxers peak around the expected time and decline slow.
Some boxers peak late and decline slow.
Some boxers peak late and decline fast.

Audrey for me was number 1. He was exceptional for a while then just declined. After his first loss, most lost hope in him and most were right. He just declined rapidly from there.