SANTA CLARA – Peyton Manning entered last week's game against the 49ers having thrown 15 touchdown passes and having been sacked only twice all season. He left it with three more sacks but no additional touchdown passes. It was a virtuoso performance by 49ers defensive coordinator Greg Manusky, one recognized by observers around the league. His former colleague, Mike Martz, said on the NFL Network that the 49ers' defensive front took Manning "to the woodshed. They really di...