SAN FRANCISCO, CA - JANUARY 6:  Adam Walker of the San Francisco 49ers (27) fumbles the football after a hit from Wayne Simmons of the Green Bay Packers (59) during the first quarter of their 06 January National Football Conference (NFC) divisional playoff game in San Francisco, California. Craig Newsome (21) picked up the football and ran it in for a touchdown.  (Photo credit should read JOHN MABANGLO/AFP via Getty Images)