San Francisco Giants: 4 Legitimate Concerns for the 2013 Season

While the San Francisco Giants are the reigning World Series champions, the team still craves more and the team still has the ability to do more.

The Giants are a very talented team, and that's why they have won two of the last three World Series. However, they are still overlooked by the media, and they are still proving people wrong.

Even though the Giants are good, they are far from perfect. There are holes and questions that need to be answered early in 2013, and there are ways the Giants can be doomed. San Francisco isn't invincible, and they have a lot of work to do to repeat.

Can they repeat? Yes. But here are four concerns that could hinder San Francisco's chances at capturing its third championship i...

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