It has been announced that Madden NFL 21 will be coming to EA Play and Xbox Game Pass Ultimate on March 2.
It is unclear if Xbox Game Pass Ultimate subscribers will get the Xbox One version or the Xbox Series X|S version of the game. It has been confirmed that Xbox Game Pass Ultimate members will get three Gold Team Fantasy MUT Packs every month for Madden NFL 21.
You can currently get Xbox Game Pass Ultimate for $1 right now.
source https://www.simpleprunes.com/2021/02/madden-nfl-21-is-coming-to-ea-play-and.html