It doesn't matter if you like soccer or not, it is a NATIONAL team.
I would root for a US table tennis world champion team, I don't give a flip about the sport, but I fuggin love Murica and she gets my support whenever we have an opportunity it to show everyone how much better than them we are.
anywhere down south blvd and ride the light rail if cheap is your goal.
otherwise i have stayed at the holiday inn quite a few drunken nights. nice place. all hotels in center city are pretty nice, just shop around and ask for discounts. the art of negotiation is still alive if you are brave enough.