Portis to work out for Titans

Veteran running back Clinton Portis is scheduled to work out for the Tennessee Titans today, according to Jason LaCanfora of NFL Network.

However, the Titans are already set at running back, and are believed to have Portis on only to update their emergency list at running back. Last week, the Titans worked out a half dozen defensive linemen, but did not sign any of them.

The Titans just paid Chris Johnson $53 million through a four-year extension. Tennessee also has backup Javon Ringer, who returned from a back injury on Sunday and scored on a 10-yard touchdown run. The Titans other running back is rookie fourth-round pick Jamie Harper, who was the team's leading rusher in preseason with Johnson holding out and Ringer injured.

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Terry McCormick covers the Titans for TitanInsider.com

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