Cristiano Ronaldo allegedly told Jorge Mendes their relationship was 'done' if he failed to seal Chelsea or Bayern Munich transfer

Cristiano Ronaldo allegedly told agent Jorge Mendes their relationship was 'over' if he failed to seal him a move to one of two Champions League clubs.

The five-time Ballon d'Or winner joined Saudi Pro League outfit Al Nassr earlier this month after leaving Manchester United in November.

Ronaldo split with former agent Mendes during that spell, which saw the 37-year-old conduct a controversial interview with Piers Morgan for TalkTV.

He slammed United's hierarchy as well as manager Erik ten Hag, who Ronaldo claimed showed him disrespect in his final few months at Old Trafford.

Mendes disagreed with Ronaldo conducting the interview, which ultimately ended his second United spell on a sour note with supporters.

Ronaldo attempted to leave United in the summer after they failed to qualify for the Champions League. Per Spanish newspaper El Mundo, he issued an ultimatum to Mendes regarding a transfer.

He stressed to the super agent that their relationship would be broken if Mendes didn't manage to get Ronaldo to Chelsea or Bayern Munich.

Chelsea registered their interest in Ronaldo early as owner Todd Boehly wanted to make a splash in the transfer market. Any potential move was squashed by then-manager Thomas Tuchel, didn't think Ronaldo was suited to his team.

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Bundesliga holders Bayern never seriously entertained a move for Ronaldo as they'd just signed Sadio Mane from Liverpool.

CEO Oliver Kahn also publicly ruled out a move when Ronaldo was a free agent.

He said: "I can rule out a move for Ronaldo. We considered it, it's our duty. We all love Ronaldo but we have a different strategy. We have a clear idea, a clear philosophy of how our squad should be put together."

It's claimed Mendes received calls from both clubs to inform him they would not be pursuing a deal for Ronaldo.

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The 37-year-old confirmed he'd achieved everything he'd set out to do in Europe during his first press conference as an Al Nassr player.

Ronaldo said: "My work in Europe is done. I played at the best clubs in the world… and I won everything.

"I’m happy, proud to join Al Nassr. People don’t know about the level here. This contract is unique because I am a unique player. It's normal for me."