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Callahan crew makes another trip to see Joe (possibly) start at QB for Packers - Green Bay Packers Blog- ESPN
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Green Bay Packers on Twitter: "#Packers sign QB Joe Callahan to the practice squad: https://t.co/6iiO258qSG https://t.co/1QuwWg0lvn" / Twitter
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Packers-Bears Inactives: Aaron Rodgers is active, but Callahan will suit up just in case - Acme Packing Company
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Packers 2016 roster preview: UDFA Joe Callahan hopes to challenge for roster spot - Acme Packing Company
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