Northampton's Dylan Hartley on the break takes on two defenders Mako Vunipola 1 and Petrus Du Plessis - Rugby Union - Avive Premiership - Northampton Saints v Saracens - 07/11/15 - Round 4 - Northampton Saints v Saracens - Round - At Franklin's Gardens, Northampton UK. Photo Credit - Tom Dwyer/Seconds Left Images