First off, the 3b is moving to the bag and then his goal or optimum position is to straddle the bag with his body facing towards the mound or between the mound and the plate. This will allow the runner clear access to the bag but give the 3b a tag right down in front of the runner. If he's positioned properly he can still move and can get to an errant throw.
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 .