Vikings | A.J. Jefferson has concussion

Minnesota Vikings CB A.J. Jefferson (concussion) may not recover from his concussion in time for the team's Week 15 game, meaning CB Marcus Sherels may be the primary replacement. CB Brandon Burton will see increased repetitions in practice this week, too.

2012-12-11 15:14:21 | Source: 1500ESPN.com - Nate Sandell

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