From Electronic Arts:
EA SPORTS FIFA 17 Ultimate Team is a massive online community of fans building, managing, and competing with their ultimate football team from the world's best players in FIFA 17. Join over 15 million fans and take on the challenge of building football squads of the world's best players by earning, buying, selling, and trading players with the Ultimate Team community. Play with your dream team and put them against your friends' teams whenever you want. Create and manage multiple squads and take them into competition in online and solo single-player tournaments, all dynamically updated each week.