 Complete the following phrase:  The Melrose Cup is the main prize of the Rugby World Cup Sevens. The trophy is named after the town of Melrose, Scotland, the birthplace of rugby sevens where in 1883 local butcher boy Ned Haig with help of his boss David Sanderson invited local rugby union teams to play a small tournament as a fundraiser event for the Melrose Rugby Club that had ficial issues. The trophy has been presented to the winner of the world cup since the 