All of the Michigan NCAA Tournament Games are currently at Kickass Torrents (kat.ph) in 720p, with sizes around 1.5-1.8G.
http://kat.ph/ncaa-tourney-rd-2-michigan-vs-south-dakota-state-t7226748.html
http://kat.ph/ncaa-tourney-rd-3-michigan-vs-vcu-t7233106.html
http://kat.ph/ncaa-2013-sweet-16-29-mar-michigan-v-kansas-720p-t7264863.html
http://kat.ph/ncaa-2013-elite-8-31-mar-michigan-v-florida-720p-t7269796.html