I know there's been talk of the Minnesota Vikings moving there but that's stupid since the team is still selling out games despite two straight losing seasons and the local TV ratings are huge every week as well.
The Bills had over 24,000 unsold tickets for their last home game on Saturday, the Jaguars and Dolphins always seem to struggle with attendance (not sure about the other Florida team in Tampa Bay) though if Jacksonville were to trade for Tebow in the off season their attendance problems would disappear since he grew up in Jacksonville and the people in Florida really like him. Give the Broncos Gabbert (if they want him) and/or a draft pick and they'll likely gladly part with Tebow because Elway hates him because he's not like him. He would probably have more success there too because the coaches and ownership would be behind him. The fans in Denver are supportive of him but Denver is one of the best sports towns in the country and they pretty much always support their teams and its players.