The Sounders know they're "true underdogs" against Atlético Madrid. But they're motivated to prove people wrong in Thursday's must-win contest.

With PSG and Atletico Madrid also in Club World Cup Group B, Sunday's match between the Brazilian and MLS sides was surely a must-win

Brazilian and South American champions Botafogo began their Club World Cup campaign with a 2-1 victory over MLS side Seattle Sounders in a Group B encounter at Lumen Field on Sunday.First-half headers from Jair Cunha and Igor Jesus gave the visitors a comfortable lead and only several fine saves by Seattle goalkeeper Stefan Frei prevented them from extending it.