Packers to be without CB Sam Shields; could be thin at receiver at Oakland

GREEN BAY, Wis. -- The Green Bay Packers will be without cornerback Sam Shields for Sunday’s game at the Oakland Raiders after he did not clear the concussion protocol.

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Coach Mike McCarthy said Friday that Shields will not make the trip.

It likely means he will start a pair of rookie cornerbacks, Damarious Randall and Quinten Rollins.

Randall, the Packers’ first-round pick, moved into the starting lineup last month in place of Casey Hayward, who was moved back into the nickel (or third cornerback) role. Rollins, the second-round pick, replaced Shields after he departed 12 plays…