Saracens' Owen Farrell (Left) shakes hands with Wasps' Jack Willis (Right) having injured him in a tackle as a consequence of it he (Willis) had to go off injured - Rugby Union - Aviva Premiership Semi-Final - 08/05/18 - Saracens v Wasps - At Allianz Park, Hendon London, UK. Photo Credit; Tom Dwyer/Seconds Left Images