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The hardest thing to do in the National Football League is win on the road. Teams have to travel thousands of miles, with two even having to travel across the pond to play in London.

Later in the season, teams travel on a short week of practice to play games on Thursday or Saturday night. That can be a tough task, seeing that no team is 100 percent healthy after the season starts.

Out of the 32 teams in the NFL, only 12 teams have a .500 or better winning percentage on the road since the 2009 NFL regular season. The key to being a championship-caliber team is finding ways to win games in hostile territory, especially come playoff time.

I looked up the road records of all 32 NFL teams to see which teams were the best playing away from home. Two teams, the Dallas Cowboys and Tampa Bay Buccaneers, have win percentages over .500, but they didn’t make the list due to my tiebreaker formula.

I averaged their road-winning percentages over the past two-and-a-half seasons and both teams missed the cut. So without further ado, I give you the 10 teams you might actually want to avoid when you're at home.