By JON NEWCOMBE

PREVIEW...
Leicester v Harlequins
Today. Kick-off 3pm, Welford Road
PREMIERSHIP leaders Leicester come back after their bye week ready to take on what lock Calum Green sees as their biggest challenge yet.
The bookies may not think so, but the Tigers are in pole position to dethrone Harlequins as English champions. Eight games into the 22-game regular season they have won the lot and go into today’s clash still top of the table and nine points clear of the Londoners.
Like the Norwich City side he supports, Green has been through thick and thin with Leicester and knows ...