I think I'm the only FEC100 user in the Butt to Butt in Shannon, IL next month. Naturally, I don't have the team list handy. It was in the Bullsheet a couple of months ago.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .