The Overwatch World Cup will be fierce this year as the national committees have decided and formed the teams. This means, unlike 2016 when it was more of a popularity contest, the teams will actually be able to put forth a tougher challenge against the mighty koreans.
— T-Mobile📱 (@TMobile) June 16, 2017
T Mobile will be sponsoring the Team USA Overwatch team. This is seen as their investment into esports at a time when every company and brand is keen on investing and gaining a foothold in esports.