Federer, 36, put on a masterclass to down Grigor Dimitrov 6-2 6-2 in just 55 minutes to win the tournament for a third time.
Petchey, who used to coach Andy Murray, is renowned as one of the best commentators in the business but even he was lost for superlatives to describe the Swiss.
In fact Petchey was so awestruck by Federer’s display that he started quoting poetry!
Petchey said: “He’s only lost five times since he came back in Jauary 2017. I was actually thinking how you describe this last period of his career.
“What sort of fitting tribute can you give him because the old cliche is we’re running out of superlatives – and it’s true in terms of his greatness and what he’s been able to achieve.
“I was thinking that great quote you have over Centre Court by Rudyard Kipling from the poem ‘If’.
“It’s one of the great things everyone knows about tennis and it’s synonymous with him but I was thinking the poem by Dillon Thomas ‘Do not go gentle into that good night’/
“Old age should burn and rave at close of day… rage, rage against the dying of the light…”
“That feels fiting to where Roger is at the moment, the oldest ever ATP number one.
“He wasn’t willing to go out without winning another major that he hadn’t won since Wimbledon 2012, the records that tumbled this week.
“Incidentally even though that poem was supposedly about Dillon Thomas’ father, it was actually written in 1947 and he passed away in 1952 so take a little bit for Roger.”