Hello and Welcome!!!
I am so happy that you decided to join us :D:D:D
Print their logos onto fabric, applique, embroider. The center of the quilt could be their home field, blocks with their insignia surrounding it...
Try googling "Chicago Cubs quilt images" A bunch of pages came up with quilts and their different insignias sprinkled through the pages. There were a few other teams in there too, but you could adapt them to your team :D:D:D