Wigan Warriors appear a safe bet to challenge strongly for the Super League title again this season – but could go into the new campaign without playing a pre-season friendly.Adrian Lam’s side, pipped at the death by bitter rivals St Helens in the 2020 Grand Final in Hull, have no formal games lined up before they face Leigh Centurions in their opener on Friday, March 26.How will that lack of match practice affect the Warriors ahead of their season-opener later this month?True, all Super League