San Francisco 49ers: How Much Does Frank Gore Have Left in the Tank?

At an age when most NFL running backs have long disappeared from the league or have seen their ability decline, Frank Gore is still at the top of his game.

Gore is 30 years of age and in his ninth NFL season. He is still going strong and showing no signs of slowing down. Gore is a freak of nature in this regard. 

In 2013, Gore is well on his way to his seventh 1,000-yard season. Through the first nine games of the year, Gore has already rushed for 700 yards on 162 attempts, a 4.3 yards-per-carry average. 

The real question for Gore and the Bleacher Report - San Francisco 49ers
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