NASHVILLE -- Quinton Dial, a rookie nose tackle who just started practicing this week, has been activated to give the 49ers' injury riddled defensive line some depth in time for Sunday's game at Tennessee.

Dial had been on the reserve/non-football-injury list because of a foot issue stemming from his college days at Alabama. The fifth-round draft pick will add depth to a line that likely will start third-string nose tackle Tony Jerod-Eddie. Glenn Dorsey sustained a hamstring injury last Sunday and practiced only Friday.

Other options for the 49ers line were to promote Mike Purcell from the practice squad or deem rookie Tank Carradine ready to come off the NFI list.

For more on the 49ers, see Cam Inman's Hot Read blog at blogs.mercurynews.com/49ers. Follow him on Twitter at twitter.com/CamInman.



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