Wigan go into their forthcoming Challenge Cup final against Hull FC in winning form, with a 42-6 demolition of Salford.
More than £25m of taxpayers' money has been lent to the company which runs the stadium.
Two tries from Zak Hardaker help Super League leaders Castleford to a comfortable victory at Salford Red Devils.
Carlos Tuimavave scores two tries for the second week running as Hull FC overwhelm Salford in their Super 8s opener.
Audio & Video
Michael McIlorum finishes off a brilliant Wigan move to score a late try as they beat Salford 27-14 to reach the Challenge Cup final.
Rugby alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
Commentaries, clips and podcasts
Enjoy the best debate, analysis and interviews with BBC 5 live and World Service plus our rugby commentary listings.
How to get into Rugby League
How to get into rugby league - a crowd-pleasing, physically demanding game with few stoppages and plenty of pace.
What's on BBC Sport this week
This week's sport on the BBC includes England's first Test against West Indies, the Women's Rugby World Cup and the Birmingham Grand Prix.