MICHAEL OWEN thinks Manchester United will have to go out and splash the cash on a world-class striker soon. The former Red Devils and Liverpool forward has identified that area as a big weakness going forward. Owen explained how he thought Zlatan Ibrahimovic is just a stop-gap while Marcus Rashford and Anthony Martial are not the finished article yet. Wayne Rooney is no longer an out-and-out striker so Jose Mourinho could be forced to dip into the market to bolster his attacking options with a top-class centre forward. - See more at: http://www.dailystar.co.uk/sport/football/564977/Manchester-United-transfer-news