Every year, 29 of the 30 MLB teams will experience a disappointing end to the baseball season. Some of the players on those teams did more than their share to add to the collective misery.

An individual player can bring a team down in a number of ways. Factors that can influence the end result include performance, money and attitude.

There were players in 2010, both young and old, who simply did not live up to performance expectations. Others did not earn their very large paychecks. A few of the worst offenders hurt their teams with their bad behavior.

This list encompasses the worst of the worst in 2010. While you will find players with shoddier statistics than many players on this list, the selections were made based on the overall damaging impact on their teams.

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