Both Castleford and Hull FC will field new signings in Friday's clash at the Wish Communications Stadium.
More than 92% of players are against the option that would see a new two-division Super League split in to three leagues, according to 1eagu3.
The refereeing appointments have been announced for Round 18 of Super League XVIII.
Hull KR chairman Neil Hudgell has called on his star forward Mickey Paea to 'come clean' amid claims he is to join rivals Hull FC.
Danny Brough has been awarded the title of Rhino Super League Top Gun for the month of May.
Hull are still waiting for news on the back injury suffered by Gareth Ellis in England's win over the Exiles on Friday.
Address: Kingston Communications Stadium, West Park, Hull
Telephone: 01482 327200
Ticket Line: 0870 837 0004
Fax: 01482 587002
Head Coach: Peter Gentle
Captain: Gareth Ellis
Super League Wins: 0
Challenge Cup Wins: 3
World Club Challenge Wins: 0
Castleford v Hull FC
21/06/2013 | 20:00 | Super League
Venue: The Wish Communications Stadium
Catalans 30 - 4 Hull FC
08/06/2013 | 18:00 | Super League
Venue: Stade Gilbert Brutus