49ers turn fourth-down try into game’s first TD

A calculated risk helped the 49ers take a 7-3 second-quarter lead vs. Seattle. Facing 4th-and-1 at the Seattle 10, the 49ers passed on a field goal attempt. Instead, the Niners handed off to tailback Frank Gore on a quick-hitter, and he darted through for a touchdown, giving underdog San Francisco its first points of the…