They will play sudden-death overtime if the game is tied.
The teams finishing second to seventh would then play sudden-death fixtures (2nd v 7th, 3rd v 6th, 4th v 5th).
Warrington were playing sudden death from the start of the play-offs after finishing fifth, and had to come from behind last weekend before a second-half hat-trick from Joel Monaghan secured a derby victory against Widnes.
After losing 1-0 in Bavaria and drawing 1-1 with Roma at the Etihad Stadium, City have a point and are virtually playing sudden death in Group E. In those two outings Touré, David Silva, Sergio Agüero, and Edin Dzeko were among those who disappointed.
The Devils' day began early this morning on the ice, playing sudden-death Stanley Cup hockey.
However, the losers of that game will have a second chance with home advantage in the second round of the play-offs the following weekend, while the losers at the KC Stadium will be condemned to playing sudden-death rugby.
But they will be playing sudden-death rugby from the start and first they must get past the Catalans, which on this evidence will be anything but a formality.
That means they will be playing sudden-death rugby from the start of the play-offs and will have to win three matches merely to reach the Old Trafford grand final, compared with the express route they took after finishing top last year.
They had to come from behind but there was no doubt about the outcome after tries either side of half-time by Adam Swift and Willie Manu had earned an 18-6 leas, as the Catalans ran out of steam after playing sudden-death rugby throughout the play-off series.
Radford was dismissed for throwing a series of punches at Ryan Bailey in the ninth minute of Hull's last game of the league season, against Leeds at the weekend, when an 18-14 defeat cost them a place in the top four and left them playing sudden-death against their fierce rivals.
