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SANTA CLARA, CA - OCTOBER 5: Patrick Willis #52 of the San Francisco 49ers eyes the quarterback during the game against the Kansas City Chiefs at Levi Stadium on October 5, 2014 in Santa Clara, California. The 49ers defeated the Chiefs 22-17. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)

SANTA CLARA, CA - OCTOBER 5: Patrick Willis #52 of the San Francisco 49ers eyes the quarterback during the game against the Kansas City Chiefs at Levi Stadium on October 5, 2014 in Santa Clara, California. The 49ers defeated the Chiefs 22-17. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)