Blair Kinghorn made 87 metres to finish just outside the top three .
It was Glasgow Warriors centre Mark Bennett -- who joins Edinburgh in the summer -- that led the way in a blistering 47 - 17 triumph for Gregor Townsend 's outfit .
Blair Kinghorn made 87 metres to finish just outside the top three , but it was Glasgow Warriors centre Mark Bennett -- who joins Edinburgh in the summer -- that led the way in a blistering 47 - 17 triumph for Gregor Townsend 's outfit .