Northern Ireland were made to pay for a makeshift defence as Norway scored three times in the opening 20 minutes on their way to a 5-1 Nations League victory at Windsor Park.
With Jonny Evans and Jamal Lewis missing, Northern Ireland were repeatedly exposed at the back with Bailey Peacock-Farrell unable to do anything as Mohamed Elyounoussi, Erling Haaland and Alexander Sorloth all scored.
There had been time during a frantic opening for Paddy McNair to score a fifth-minute equaliser, but second-half goals from Sorloth and Haaland saw Northern Ireland concede five at home.
Scotland came from behind to beat a makeshift Czech Republic and go top of their group.
The Czechs took the lead through Jakub Pesek. Lyndon Dykes marked his second Scotland appearance with his first international goal to level. And Ryan Christie scored his second penalty in two games for the winner.
James Rodriguez has been reunited with Carlo Ancelotti for a third time after Everton announced the signing of the Colombian from Real Madrid on a two-year deal.
The 29-year-old was brought to the Bernabeu after his starring role at the 2014 World Cup by Ancelotti, who then linked up with the playmaker three years later when Bayern Munich signed him on loan.
Rodriguez spent two years with the Bundesliga giants before returning to Real, where he made just 14 appearances last season.
Sligo Rovers moved to third in the Premier Division after a hard-earned three points against Finn Harps at the Showgrounds last night.
Ryan de Vries, Ronan Murray and Ronan Coughlan got the goals as their northwest rivals finished with nine players and also had boss Ollie Horgan sent to the stands.