actually, im in an online league of 32 members and we have been playing since madden 2007...over 20 combined seasons...so yes it is definatly possible.
and also me and my two best friends play a franchise together, and how it is right now we all have to meet at my house to play our games so we don't progress that fast. But with online franchise we could all play our games simultaneously so it would be VERY helpful.