It’s another free play weekend on Stadia. Starting at 10 AM PT September 9, you can play Madden NFL 22 free with your Stadia Pro subscription. Try it and play as much as you like until 10 AM PT September 13.¹
To continue playing Madden NFL 22 after then, purchase the game in the Stadia store. Madden NFL 22 is not available as part of a Stadia Pro subscription.