Cristiano Ronaldo and Lionel Messi debate rages on Twitter between Gary Lineker and Piers Morgan

Gary Lineker and Piers Morgan were involved in a heated argument on Twitter as they reignited the debate over Cristiano Ronaldo and Lionel Messi.

Every football fan has their own opinion on who is the better of the two players. Both Ronaldo and Messi are now in the twilight of their respective careers, though the former has arguably had a much better season than his rival since rejoining Manchester United last summer - despite receiving some heavy criticism.

The debate over who is the better player was once again sparked this week when Lineker responded to comments made by Sir Alex Ferguson. The legendary United manager suggested that Messi could only perform at his best at Barcelona, while Ronaldo would look brilliant regardless of who he played for.

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“Cristiano Ronaldo could play for Millwall, QPR, Doncaster Rovers… anyone, and score a hat-trick in one game,” Ferguson was quoted as saying. “I'm not sure Messi can do it. I think Messi is a Barcelona product.”

Lineker hit back at the suggestion, tweeting: "This is nonsensical. I know we don’t tend to look beyond these shores very much, and I’m sure Sir Alex is being supportive of one of his own, but even as recently as this summer, Messi almost single-handedly won the Copa America for Argentina. They’re both greats."

Morgan disagreed, replying: "It’s perfectly sensical, Jugs. Messi’s clearly lost his magic since leaving Barca. Ronaldo’s kept it at many clubs/countries including back at United now. That’s why he’s the GOAT.”

Lineker responded: "He’s the GOAT now? So you’re judging two of the greatest players of all time on how they perform in their mid-30s when they’re