<t>Published on Wednesday 31 August 2011 11:11 Wigan Today.net<br/> <br/> GARETH Thomas is poised to become Wigan’s first signing for 2012.<br/> <br/> In a shock move, the former British Lions centre is set to sign a one-year deal with the Challenge Cup winners for next season.<br/> <br/> The 37-yea...