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Updated: October 20, 2010, 2:14 PM ET

• Colin Cowherd says the Rangers have been the better team in their ALCS with the Yankees. Have we seen the Yankees get "old" right in front of our eyes? Listen

• "Sports Science" host John Brenkus discusses the true impact of hard hits in the NFL and how much force is generated with every hit. He also talks about "second impact" concussion syndrome. Brenkus

• Former NFL RB Herschel Walker talks about the NFL's regulations on hard hits and ...

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