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SANTA CLARA, CA - DECEMBER 28: Frank Gore #21 of the San Francisco 49ers drives against the Arizona Cardinals in the third quarter at Levi's Stadium on December 28, 2014 in Santa Clara, California. In this play, Gore broke 11,000 rushing yards in his career. (Photo by Don Feria/Getty Images)

SANTA CLARA, CA - DECEMBER 28:  Frank Gore #21 of the San Francisco 49ers drives against the Arizona Cardinals in the third quarter at Levi's Stadium on December 28, 2014 in Santa Clara, California. In this play, Gore broke 11,000 rushing yards in his career.  (Photo by Don Feria/Getty Images)