"If I'm a Newcastle player, I don't want Isak back," Rooney said on the BBC's Wayne Rooney Show. "I think if players leave football clubs - and that happens all the time - there's a way to go about it. "You can't go on strike, can't not turn up for training and train with your team-mates.

Isak was not present at Tuesday's PFA awards, where he was the only Newcastle player to be named in the Premier League team of the season.