Just think, for the first 56 minutes on Saturday, the 49ers managed 237 yards of total offense and two touchdowns.In the final four minutes -- tense, critical minutes -- the Alex Smith-led offense
SANTA CLARA -- The 49ers are cleaning up in the win-loss column.
First-half storyline: The 49ers have only four defensive players back at the same starting position from a year ago. And each of the changes has been for the better.
Rookie Aldon Smith recorded one tackle and no sacks in his first three games of the season.