United Kingdom, May 20 -- John Cena has revealed how "data" told him it was time to retire from WWE.

The 49-year-old wrestling legend turned Hollywood megastar called time on his in-ring career after a match against GUNTHER at Saturday Night's Main Event in December 2025, and 6 months later he has reflected on how he realised the tough decision he had to make.

He told Sports Illustrated: "As much as I love feel and I love passion, I also love data.

"I'm a strength athlete, so I consistently test one-rep max. I test vertical jump, all of these metrics - whatever they tested at the combine.

"When these numbers start to go down, you look at it like, 'Okay, why? I'm getting plenty of rest. I'm training on a regular schedule. I'm not eatin...