Ulster's Iain Henderson is one such man, and the second row will start Ireland's opening clash against Canada tomorrow at the Millennium Stadium in place of Devin Toner.
Ireland head coach Joe Schmidt has been full of praise for the 23-year-old, describing him as a 'force of nature':
http://pro12rug.by/RWTyqp
Edinburgh's new signing Will Helu is also gearing up for a World Cup outing with Tonga on Saturday but the wing admits he can't keep his eyes off the GUINNESS PRO12 action:
http://pro12rug.by/vWbTBC
Elsewhere, Cardiff Blues wing Alex Cuthbert believes he is primed to return to top form when Wales kick off their World Cup campaign on Sunday against Uruguay:
http://pro12rug.by/Ju9el1
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