You don’t need to tell Chicago Cubs fans how long it’s been since they won the World Series. The 2010 season was another forgettable summer for the Cubs, but there are players available that can help them improve for 2011.

One of those players is Carlos Pena, who the Cubs signed on Tuesday. The Cubs need more power in their lineup and a better infield defense, and Pena will help them in both areas.

The Cubs could also use help in their pitching rotation, especially in their bullpen. The Cubs have had a respectable payroll the last decade, but they need to start spending money more wisely.

Now let’s look at five free agents who could help the Cubs return to the postseason in 2011.

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