Here, we pick our starting line-up - and four-man bench - of players who have figured for both clubs, as well as a coach... will Ian Millward take charge of the side?
The ex-Leeds ace played for Castleford in 2017 but was sacked after failing a doping test which wiped out his '18, before joining Wigan He started his career with the Warriors in 2009 and was sent on loan to the Tigers the following season, and played seven times for the Yorkshire club. He played 113 times for Wigan during 2001-05. He signed for Cas for the 2011 season, scoring two tries in 19 appearances He first played in the Super League for Castleford, after signing from Melbourne in 2011 as a three-quarter, and moved to the pack while at Widnes He scored 22 tries in 34 appearances for Wigan and then played for Castleford during the 1998 and 99 seasons, scoring seven tries The current Castleford assistant coach started his career with the Tigers before moving to Wigan in 2004, scoring 108 points in three years Spent nearly a decade at Cas' before joining Wigan as Shaun Edwards' replacement, scoring 49 tries in 85 appearances Sculthorpe signed for Wigan in 2001 and spent 2006 on loan at Castleford. Another Castleford-born man, the hooker signed for Wigan from Cas in 2005, playing 52 times in his two year stay Patrick signed for Wigan on loan from Huddersfield in 2015, and also on loan for the Tigers in 2016 before signing permanently Johnson joined hometown club Wigan aged 17, and played 81 times. He also played 52 times for Cas from 2002-03 Tickle scored a try in Wigans defeat to Bradford in the 2003 Grand Final. He played 141 times for the Warriors. He also played 11 times for the Tigers in 2016 Gilmour played in Wigans 1998 Grand Finals win over Leeds and went on to spend two years at the Tigers Mathers played full-back for Wigan for most of his two-year stint and also made 22 Super League appearances for the Tigers Jones only played eight times for hometown club Wigan but figured more than 100 times during his stay at Castleford The Frenchman played 30 times for Wigan and moved to Castleford in 1998, figuring 46 times over two years Tuson played 83 times for Wigan from 2008 to 2013 and had a loan spell at Cas'. Luke Robinson and Lee Jewitt were also in our 19-man squad! Worked wonders at Cas' and guided Wigan to the 2002 Challenge Cup Final. His assistant coach? Ian Millward, of course