Manchester United fans’ groups have called on supporters not to cause trouble at Old Trafford tomorrow night.

PROMINENT Manchester United fans’ groups have called for supporters to boycott Saturday’s Premiership clash with West Brom.

Billionaire American businessman Malcolm Glazer has increased his stake in Manchester United less than 24 hours after John Magnier and JP McManus did the same thing, fuelling rumours of a takeover war between the two camps.