Rio Ferdinand backs Man United star Cristiano Ronaldo to play into his forties at top level
Daily MailRio Ferdinand says Cristiano Ronaldo will be 'very disappointed' if he isn't still performing at the highest level when he reaches the age of 40. Cristiano Ronaldo is greeted by Ole Gunnar Solskjaer after returning to Manchester United The Portuguese star, 36, has been working hard in training ahead of his second spell at United United legend Rio Ferdinand and heavyweight champion Anthony Joshua have praised Ronaldo for his dedication to being the best he can be 'If Ronaldo doesn't get to 40 and isn't playing at the top level he'll be very disappointed,' Ferdinand said in conversation with heavyweight champion Anthony Joshua for William Hill. Ferdinand played alongside Ronaldo during his first spell at United - as well as being his neighbour - and witnessed first-hand his extraordinary dedication to being the best. Ronaldo celebrates with Ferdinand after scoring a goal during his first spell at Man United The pair celebrate after Manchester United won the Premier League title in 2006-07 'Ronaldo was a visionary.