SAN FRANCISCO - NOVEMBER 08: Chris Johnson #28 of the Tennessee Titans is tackled by the San Francisco 49ers at Candlestick Park on November 8, 2009 in San Francisco, California. Getty Images logo Getty Images 27 months ago

SAN FRANCISCO - NOVEMBER 08: Chris Johnson #28 of the Tennessee Titans is tackled by the San Francisco 49ers at Candlestick Park on November 8, 2009 in San Francisco, California.