By JON NEWCOMBE

PREVIEW...
Newcastle Falcons v Sale Sharks
Today. Kick-off 3pm, Kingston Park
SALE boss Alex Sanderson has thanked Steve Diamond, his opposite number at Newcastle, for giving him extra motivation to win what has been dubbed ‘the Diamond derby’.
Diamond, currently the consultant director of rugby at the Falcons, has long been associated with the Sharks thanks to decades worth of service as a former player, coach and CEO, and his son Sam is the north-west club’s onthe-ball media manager.
As the north’s two most pre-eminent clubs a keen ...