http://www.youtube.com/watch?v=jg12FJr40jE&feature=youtu.beI stand by my original comment. That was two! The one Steiber was in on at the end of the first was questionable and probably a reaction time no-call.
Take a look at the illustrations on page 96. They aren't the exact same but you don't have to have the head cleared or be up on the thighs or any of the other things I've heard.
http://www.ncaapublications.com/productdownloads/WR13.pdfBottom line...if that was on the edge of the mat it would be called a TD 99% of the time. It should be treated the same at mat center.