John Brodie thinks his old No. 12 jersey will be a perfect fit on Trent Dilfer with the San Francisco 49ers. Brodie's jersey was unofficially unretired on Friday after the 49ers' first practice of training camp. The longtime San Francisco quarterback, who still has trouble speaking after a stroke nearly six years ago, grinned and laughed as he ceded the number to Dilfer, his longtime friend and golfing buddy.