Manchester United have identified Alexander Isak as an alternative target to Borussia Dortmund striker Erling Haaland this summer, The Star reports. The Red Devils recently committed Edinson Cavani to a new contract, but they are still searching for a quality young striker to add to their ranks. They have been heavily linked with Dortmund, but a deal appears unlikely with the Bundesliga outfit having no plans to sanction his sale. Haaland has a release clause worth £68 million in his contract, but that does not become active until the end of the 2021/22 campaign. It is now reported that the club have a ‘Plan B’, and could look to swoop for the services of Isak, who is currently contracted with Real Sociedad. Isak had another promising season with Sociedad last term, registering 17 goals an...