 The jersey has been modified several times to include promotions for Xbox games, including Halo 5 and Gears of War 4.The Sounders contracted talent firm WME-IMG to explore sponsorship and other advertising opportunities in 2017, shortly before the expiration of the Microsoft contract.On January 17, 2019, the team announced that Seattle-based online retailer Zulily would become the jersey sponsor in a multiyear jersey deal at an undisclosed fee.