49ers wide receiver Braylon Edwards underwent a surgical procedure on his injured right knee and a league source told ESPN NFL Insider Adam Schefter that Edwards is likely to miss three weeks. Coach Jim Harbaugh refused to predict a timetable for Edwards' return or provide further details. The coach had to be pushed to reveal the surgery at all. "Braylon had a little procedure done, yeah," Harbaugh said Wednesday. "He's going to be out for a little bit. I hate to speculate (how long)." Read more: http://espn.go.com/nfl/story/_/id/7...an-francisco-49ers-likely-3-weeks-source-says