City Football Group were announced as a minority shareholder of the Yokohama F. Marinos (YFM) in May 2014, providing access to CFG’s training methods, medical care, sport science, team management and coaching know-how.

The partnership between Nissan Motors, the majority owners of YFM, and CFG marked the first significant foreign investment in a J-League Club.
 
Yokohama F. Marinos were founded in 1972 as Nissan Motors FC before changing their name to Yokohama Marinos in 1993. The Club was one of the founding members of the J-League in 1991. Managed by Ange Postecoglou, the Club play at the Nissan Stadium in Yokohama.

In December 2019, the Club were crowned J-League Champions for the fourth time in their history, and the first time since 2004, finishing six points clear of nearest rivals Tokyo FC.