UPDATE, 9:18 PM:
WEEI.com has it now, too. Still hasn't been confirmed by the organization, but it doesn't look good at all. In addition, NBC's Al Michaels reported on Sunday Night Football that Chris Simms will work out for the Pats tomorrow. More bad news with discouraging implications for Brady's health.

Yahoo! Sports' Michael Silver cites an unidentified team source as saying that Tom Brady is expected to miss the rest of the season with severe damage to his left knee. The damage is believed to center around the ACL and cartilage, but depending on the extent of the injury, it could extend to include the MCL and/or PCL. (Click here to see an animated pic of the ligaments in the knee.) I'm gonna go break some shit and probably cry so I'll end this post right here. More to come.