Robbo
Paul Walsh
Not sure if already posted, but this is an interesting read. I think this could be a very efficient training method, actually. Very intensive, and easy to relate to proper football games.
http://www.telegraph.co.uk/sport/fo...aut-secret-to-Borussia-Dortmunds-success.html
http://www.telegraph.co.uk/sport/fo...aut-secret-to-Borussia-Dortmunds-success.html