Celtic fans throw tennis balls at club owner Dermot Desmond during golf tournament

<ul><li><p>Desmond escorted off St Andrews course by security</p></li><li><p>Celtic say the protest ‘brought shame upon the club’</p></li></ul><p>Celtic’s principal shareholder Dermot Desmond had tennis balls thrown towards him during his visit to the Alfred Dunhill Links golf tournament at St Andrews in a protest from fans.</p><p>The 76-year-old – who has been criticised by supporters for an apparent lack of progress on the pitch – was taking part in the pro-am event on Sat…