Programming note: What are you doing on your lunch break? Watching Jim Harbaugh address the media, of course.
SAN FRANCISCO -- The 49ers' offense sputtered for most of three quarters in Colin Kaepernick's fourth start at quarterback.
This is the second part in a series that spotlights three 49ers-Dolphins matchups to watch Sunday, 1 p.m. (CBS), at Candlestick Park.
SANTA CLARA -- Receiver Mario Manningham is expected to be sidelined for the 49ers' game Sunday against the Miami Dolphins with a right shoulder injury.