It remains to be seen when Castleford Tigers will be in action again after four more players tested positive for COVID-19.
Twelve coronavirus cases have emerged in the Castleford Tigers camp, prompting the cancellation of their next Super League game.
Salford Red Devils and Leeds Rhinos clinched victories in Monday's Super League action as St Helens and Castleford Tigers were beaten.
Greg Eden scored a hat-trick against his former club, while Wakefield Trinity claimed their first win since the restart on Thursday.
Leeds Rhinos hammered Hull KR but Harry Newman suffered a season-ending injury, while there were wins for Huddersfield Giants and Salford.
Warrington Wolves' winning run continued in dramatic fashion at Castleford Tigers, while Hull FC edged out Wakefield Trinity.
Greg Minikin scored a hat-trick as Hull KR stunned Super League leaders Wigan Warriors at Headingley.
Wigan Warriors recovered from a poor start to beat Castleford Tigers, while two Leeds players scored hat-tricks in a rout of Salford.
St Helens defeated Castleford 10-0 to briefly go top, but Wigan sit at the summit after a 28-10 triumph over Leeds.
Super League has taken the decision to postpone Hull FC and Salford Red Devils' games this weekend due to positive COVID-19 tests.