MLB: Every Team's Top Player Under 26 Who'll Make the Biggest 2011 Impact

Young players, whether they be mid-season call-ups or rookies who make the team out of spring training, tend to have a massive impact on their team's success.

From players like Buster Posey and Jason Heyward to Neftali Feliz, more and more are young stars expected to produce immediately upon their arrival in the majors. 

Let's take a look at who we can expect to have some of the biggest impacts on their team's success in the 2011 season... 

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