The 1972 Miami Dolphins were the only team to ever go a full NFL season and postseason undefeated, this is a continuation of the last line.
Being from Maryland but a Packers fan (no bandwagon– I swear), I had to throw a little shot at the Skins. This year they have RG3, but I wrote this song at the start of the 2011 season when they were terrible… hard to believe I was just 14, right?