2011 MLB Predictions: Each Team's Biggest Concern Heading into the Season

Is Derek Jeter too old?

Is he too slow?  Is he a bad defender?  Can he still hit?  Can he still run?

These are all relevant questions, but in 2011, they are not the biggest concerns that the New York Yankees have heading into the regular season.

Let's take a look at the Yankees' biggest concern, as well as the concerns of all 30 major league teams.

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