eFootball PES 2021 Season Update is an upcoming football simulation video game of the eFootball Pro Evolution Soccer series, developed by PES Productions and published by Konami for Microsoft Windows, PlayStation 4 and Xbox One. It will be the 20th installment named with PES and the 25th installment named with Winning Eleven (excluding J.League and semi-annual improved versions) in Japan.
It was comfortably announced to be released on 09/15, but to everyone's surprise it is similar to eFootball PES 2020.
It will be an updated edition of eFootball PES 2020 (released in September 2019) containing the latest player data and club rosters.
There are four ambassadors announced: Alphonso Davies, Lionel Messi, Cristiano Ronaldo and Marcus Rashford.