The match preview writes itself — Portugal top Group A4 with nine points from three games, Norway sit second-bottom with three, and the head-to-head is 9-1-2 in Portugal's favor across 12 meetings. But none of that is why you're here. You're here because Cristiano Ronaldo left the building. The 41-year-old departed Portugal's camp late Wednesday, hours after coach Jorge Jesus confirmed he'd be benched for a second consecutive Nations League match. Ronaldo had already spent the entire 2-1 win over Norway in Oslo on the bench, having started the 1-0 victory over Wales. His exit was not quiet. A cryptic Instagram post promised he'd reveal his reasons "to all the Portuguese people" in due course. Marca reported that Jesus and federation president Pedro Proenca followed him to Copenhagen airport to persuade him to stay. He boarded his private jet anyway. Strip away the tabloid theater and the structural question is clear: can Portugal's golden generation finally function without the man who scored 146 international goals? Early evidence says yes. Joao Felix has scored in all three Nations League matches this campaign. Goncalo Ramos, playing in Ronaldo's spot, has goals in the last two. The machine keeps producing. Norway's problem is simpler and harder to solve. They have Erling Haaland (three goals this Nations League, seven in seven for Manchester City this club season) and Oscar Bobb (two goals), and almost nobody else who can finish. All five Norwegian goals in the competition came from those two. Their historic World Cup quarterfinal showed real progress, but the 2-1 losses to both Portugal and Wales exposed a team that can hurt you but can't hold a lead. Sunday's match at Estadio do Dragao in Porto (8:45pm local, 18:45 GMT) will feature a Portugal side missing Francisco Conceicao (thigh, doubtful) and, obviously, Ronaldo. Norway may be without wing-back Julian Ryerson (muscle injury) and will definitely lack suspended centre-back Torbjorn Heggem. The probable lineups suggest Portugal's depth advantage is considerable — Bruno Fernandes, Pedro Neto, Rafael Leao, Ruben Dias all start. The Nations League itself remains UEFA's answer to the meaningless friendly problem, and on that score it's working. This fixture has genuine stakes: Portugal chasing a record-extending third Nations League crown, Norway fighting to avoid the group's bottom two. The Ronaldo soap opera just happens to be the loudest subplot in European football right now. Watch for whether Ramos and Felix can sustain their scoring form without the gravitational pull of Ronaldo's presence — and whether Haaland can do more than score consolation goals against a Portuguese defense that has conceded just three times in three matches.