MLS Cup: Seattle Sounders impressive tifo, full stadium display

SEATTLE â€” You knew the Seattle Sounders were going to have something special planned for MLS Cup. 

One of the league's best atmospheres did not disappoint, as the supporters unfurled an impressive tifo as part of an awesome stadium display, with help of all the fans at the sold-out match. 

Sounders MLS Cup tifo | Charles Boehm

Sunday's match is the third MLS Cup final between the Sounders and Toronto FC in four seasons, though the first in the Pacific Northwest.