The San Francisco 49ers shocked the world in 2012, going 13-3 and making it all the way to the NFC Championship after being all but counted out at the beginning of the season.
They dominated the NFC West, proving to be the far superior team by going 5-1 within the division, and bringing some luster back to what was considered the worst division in the NFL the year prior.
They are the favorites to once again win the division in 2012, and with good reason. No other team in the West came close to their success and there aren't many obvious indicators that they will regress this year.
However, anything can happen in the NFL and there are some obstacles that the 49ers will have to overcome if they want to repeat as division champions.
Here are some reasons that the 49ers may cruise to another division title, and some reasons why they may falter.