San Francisco 49ers running back Frank Gore carries the ball into the end zone for a touchdown during the second quarter of an NFL football game against the Detroit Lions in San Francisco, Sunday, ... more 

San Francisco 49ers running back Frank Gore carries the ball into the end zone for a touchdown during the second quarter of an NFL football game against the Detroit Lions in San Francisco, Sunday, Sept. 16, 2012. At right is 49ers defensive tackle Will Tukuafu (92). (AP Photo/Marcio Jose Sanchez) less