No phase sees as many tries as the first. Meaning the actions of a team between initially winning possession of the ball and the next breakdown, so far this year 135 tries have been scored in this interval compared to 195 for all other phases. Kings of these strike plays, Leinster have bagged 13 tries from first phase, the most of any team in the URC. But how do they do it? And why does the first phase deliver so many tries?