http://www.westhamnews.net/West-Ham-News/west-ham-united-debts-make-david-sullivan-think-twice-about-sinking-his-birmingham-city-cash-into-upton-park/ David Sullivan admits he love to get involved with West Ham United after selling his half of Birmingham City, but he is worried by the high level of d... Tue, 13 Oct 2009 16:16:02 BST en