Rio Ferdinand reckons Wayne Rooney has got the body of a 40-year-old
But the 31-year-old's former Manchester United and England colleague is confident that finally breaking Sir Bobby Charlton's goalscoring records for club and country will give him a new lease of life.
Ferdinand himself is getting ready to don his boots again as part of the iconic England six-a-side team taking part in the inaugural Star Sixes competition at the O2 Arena in July.
But at 38 he feels the years have been kinder than they have for Wayne Rooney.
Ferdinand hopes Rooney will have a new lease of life after becoming the club's all-time top scorer
"He is 31 years old but he has probably got the mileage of a 36-year-old with what he has done in his career and the velocity that he plays at, the scrutiny and the pressure," said Ferdinand. "In fact, he is probably in a 40-year-old athlete's body.
"Most of those games he has played, especially the first 13 years, his stats showed he had probably out-run everybody in the team – as he was always telling us!
"The big thing for Wayne Rooney has been to get through that barrier of 250 goals for Manchester United. That is a lot of pressure. People were always talking about it. Every time he was asked about it and was thinking about it in the back of his mind.
Ferdinand reckons part of Rooney's problem is that Cristiano Ronaldo is still picking up accolades
"Getting there might just release a fresher Wayne Rooney. But you cannot get away from when your body is telling you one thing. Wayne Rooney is the only person who will know it is over."
Part of Rooney's problem has been the fact that Cristiano Ronaldo is still picking up accolades despite being eight months older than him. Ferdinand played with both for five years.
"Cristiano had an absolute desire to be the best individual in the world," said Ferdinand. "No two ways about it, no grey areas. 'I will become the best, through preparation, determination, single-mindedness and desire'.
Wayne Rooney's record-breaking goal in pictures
Sun, January 22, 2017
Click through the gallery for the best snaps of Wayne Rooney's landmark goal
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Click through the gallery for the best snaps of Wayne Rooney's record-breaking goal for Manchester United
"Wayne Rooney would always say, 'I want to be the best player in the world but I will do it by being a team player'.
"His first thought always was that he would sacrifice his game for the team."