It started with boos outside St James’ Park and ended with Alexander Isak stepping onto a plane in Liverpool colors. His record-breaking move wasn’t just another signing, it was a rupture, the kind of moment that leaves scars on clubs and their supporters. And Isak isn’t the first. From Luis Figo’s pig’s-head return at Camp Nou to Sol Campbell’s switch across North London, some transfers are remembered less for goals than for the fury they unleashed.

Alexander Isak’s transfer from Newcastle United to Liverpool wasn’t only about money. Liverpool pushed, Newcastle pushed back, and then their striker stopped working with the squad as the window ticked down. By deadline day, he had forced through a six-year deal worth about $160 million. To many Newcastle fans, it felt like betrayal more than business.

Two decades earlier, Luis Figo caused chaos by leaving Barcelona for Real Madrid. His first game back at Camp Nou turned into mayhem. Bottles and coins rained down, and the pitch was infamously littered with a pig’s head thrown from the stands. That one act became the lasting symbol of a rivalry steeped in anger and mistrust.

Sol Campbell ignited North London in 2001 when he let his Tottenham contract run down and walked across to Arsenal on a free. Spurs fans never forgave him. His first trip back to White Hart Lane was drowned in boos, “Judas” banners, and abuse that carried on for years. Campbell’s move cut so deeply not just because of where he went, but because he had been the club’s captain and a player raised by Spurs.

If Figo and Campbell were about personal loyalty, Neymar’s jump from Barcelona to PSG in 2017 was about money and power. PSG smashed records by paying his $263 million release clause, a move that shook football’s economy. Spanish league officials accused PSG of “financial doping,” UEFA opened an investigation, and videos of fans torching Neymar shirts spread online. His transfer didn’t just anger Barcelona supporters, it lit a bigger debate about how far state-backed clubs could go.

Robin van Persie’s move to Manchester United in 2012 showed the cruelty of timing. Arsenal’s captain left in his prime, scored 26 goals, won the Golden Boot, and delivered United the title in a single season. For Arsenal fans, it wasn’t just the sight of him in red at Old Trafford. It was knowing he had carried their rivals to glory almost overnight.

These five stories show why certain transfers live on in memory long after the ink has dried.