- EA allows ‘Madden NFL 21’ Xbox Series X upgrades until ‘NFL 22’ arrivesEngadget
- EA extends free Madden Xbox Series X upgrade windowEurogamer.net
- EA Extends Madden NFL 21 Upgrade Offer for Xbox Series XComicBook.com
- EA Extends Madden NFL 21 Free Upgrade Offer For Xbox Series XPure Xbox
- Madden 21 players on Xbox One can upgrade to Xbox Series X version up to the release of Madden 22VG247
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