Through Major League Soccer's monthly promotion with SeatGeek, supporters can get 15% off their ticket to Sunday's Retro Night match at Children's Mercy Park by visiting SeatGeek.com and using the promo code SGSHUTOUT.
Sporting Kansas City hosts defending MLS Cup champion Atlanta United FC at 8 p.m. CT Sunday. The Retro Night showdown will see Sporting turn back the clocks with a comprehensive throwback experience, and the first 10,000 fans through the stadium gates will receive a free retro-themed poster courtesy of the Kansas City Zoo.
This weekend's 15% ticket discount comes after MLS goalkeepers combined to post 31 shutouts during the month of April.