You can find Portuguese football logos as PNG and 2500×2500 px. on this page
Boavista FC 
CD Aves 
CD Feirense 
CD Nacional Madeira 
CD Santa Clara 
CD Tondela 
CF Os Belenenses 
C.S. MarÃtimo 
FC Porto 
GD Chaves 
Moreirense FC 
Portimonense SC 
Rio Ave FC 
SC Braga 
SL Benfica 
Sporting CP 
Vitoria Guimaraes SC 
Vitoria Setubal FC
Can you guys add Paços de Ferreira? with a little white around it…?