Under Armour First Ever Company to Advertise in the Ivy at Wrigley Field Feb 27, 2007 10:57 pm admin Sports Comments Off on Under Armour First Ever Company to Advertise in the Ivy at Wrigley Field 28 In February, 2007 Under Armour and the Chicago Cubs announced a deal that would allow Under Armour to advertise their logo on the green outfield doors tucked into the ivy.