http://profootballtalk.nbcsports.com...n-acl/related/

Excerpt: "In addition to suffering a blowout loss to the Seahawks, the 49ers have suffered a significant loss to their receiving corps.

Wide receiver Mario Manningham tore his ACL and PCL Sunday night in Seattle, ESPN’s Adam Schefter reports. That obviously means Manningham won’t play in the playoffs, and a torn ACL this late in the year could affect Manningham into the 2013 season as well." Read more...