The two Manchester clubs filled the top two positions in the Premier League last season as United finished runners-up to champions City.
However, both sides’ campaigns ended with European final disappointment with City losing the Champions League final to Chelsea while United were defeated by Villarreal in the Europa League final.
Still, both sides have a bright future and a promising squad – with the likes of Phil Foden at City and Mason Greenwood at United still only 21-years-old and 19-years-old respectively.
The two talents were named the two most valuable players in the world by CIES Football Observatory.
The French website places Foden in first place, valued at a whopping £190.2million, and Greenwood in second at £178m.
They are joined by United’s duo Marcus Rashford (£159.1m) and Bruno Fernandes (£154.3m), as well as Borussia Dortmund frontman Erling Haaland (£155.5m) in the top five.
Another three City players are ranked in the top twenty with Ferran Torres (£118million) ranked 13th, Ruben Dias (114.4m) ranked 17th and Bernardo Silva £104.2m) ranked 19th.
It’s unsurprising that the two clubs have such valuable players considering they have spent a combined £3bn on transfer fees since 2010.
However, they will both be hoping to hold onto their stars ahead of next season as both teams are set for a busy summer transfer window.
City have been linked with Tottenham’s Harry Kane as they are reportedly in the hunt for a striker after their veteran number nine Sergio Aguero departed the Etihad this summer.
United will likely be on the lookout for a centre-back to partner Harry Maguire this summer and the Reds also continue their long-standing interest in Dortmund winger Jadon Sancho, who is ranked 11th on the list with a valuation of £120.8million.