|Hosts: England Dates: 18 September-31 October|
|Coverage: Live on BBC Radio 5 live and sports extra, BBC local radio, plus live text commentary on every match on the BBC Sport website.|
|Further coverage: BBC Radio Wales, BBC Radio Cymru, BBC Radio Scotland, BBC Radio Ulster and BBC Local Radio.|
The wrecking balls are the most fearsome runners and dangerous ball-carriers in the game - give these boys the 'pill' and they will leave the opposition defensive line in smithereens.
Big, powerful, quick and scary, the class of 2015 follow in the footsteps of the legendary Jonah Lomu as the latest generation of rugby's demolition men.
It is hard to pick only six with so many ball-carrying monsters who will be on the rampage over the next six weeks.
So how do you rate the half-dozen picked out here, and who do you think deserves to be included? Let us know below.