Kansas City running back Jamaal Charles will likely miss the rest of the 2011 season after an initial diagnosis revealed a torn ACL in his left knee following the Chiefs' 48-3 loss Sunday, a source familiar with the situation told ESPN NFL Insider Adam Schefter. Read more: http://espn.go.com/nfl/story/_/id/6...-diagnose-jamaal-charles-torn-acl-source-says