Programming note: What are you doing on your lunch break? Watching Vic Fangio and Greg Roman address the media, of course.
49ers list both starting CBs as questionable; dress rehearsal for Levi's Stadium before Sunday; the Lawrence Okoye experiment continues.
Editor's note: 49ers head coach Jim Harbaugh spoke to media from Santa Clara on Friday. Below is a transcript of his comments.
Programming note: For comprehensive 49ers coverage from Santa Clara, watch SportsNet Central tonight at 6, 10:30 and midnight on Comcast SportsNet Bay Area.
SANTA CLARA -- Cornerback Chris Culliver returned to football activity on Thursday, leaving him one step away from passing the NFL's protocol on concussions to be cleared for the 49ers' game Sunda