SANTA CLARA, CA - OCTOBER 06: David Johnson #31 of the Arizona Cardinals in action against the San Francisco 49ers at Levi's Stadium on October 6, 2016 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)
SANTA CLARA, CA - OCTOBER 06: David Johnson #31 of the Arizona Cardinals in action against the San Francisco 49ers at Levi's Stadium on October 6, 2016 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)