You can also find the product description of the standard edition of Madden NFL 18 bleow (via the aforementioned Amazon listings):
Madden NFL 18 takes a significant visual leap with the power of the Frostbite engine. See stunning new stadium exteriors surrounded by vast cityscapes and watch the spectacle of NFL game day come to life in the most photorealistic game to date. Play each matchup to your specifications by selecting from three new Play Styles or play the best real world match ups each week in Play Now Live! With the introduction of even more ways to play, coupled with your favorite modes, Madden Ultimate Team and Franchise, this is Madden like you’ve never seen before.
Pre-order Madden NFL 18 today and receive up to $15 in additional value including an Elite player from your favorite NFL team and five Squad Packs in Madden NFL 18 Ultimate Team, the complete NFL team-building mode where you build, play and win with your ultimate team of today’s NFL superstars and legends.
The G.O.A.T. Edition comes with everything from the standard version in addition to the following extras: G.O.A.T. Madden Ultimate Team player in addition to three-day early access as it will be launching on August 22nd. The standard edition is coming out on August 25th.