... tell you, age is irrelevant. The trusted used car salesman cares as much about the model year as he does buying a necktie made in the last 25 years or a properly fitting toupee. It’s the odometer that tells the truth, inescapable numbers in black and white.

Only a couple months past his 28th birthday, Clinton Portis’s odometer won’t roll over anymore. The truth has caught up with this road warrior.

In a decade where having a garage full of running backs has become the norm, Clinton Portis looks like a clumsy World War I tank. He has started every game of his career since Week Five of his rookie season (missed three games in 2003 and eight in 2006) and never had to split carries. In a full s...

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