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Mike Ashley, billionaire and founder of Sports Direct International Plc, arrives at court for a lawsuit hearing in London, U.K., on Monday, July 10, 2017. Jeffrey Blue, an ex-Merrill Lynch investment banker, who worked for Ashley, is alleging in the lawsuit that Ashley reneged on a pledge made in a bar in early 2013 that he would get a payment if he doubled the retailer's share price to eight pounds. Photographer: Simon Dawson/Bloomberg via Getty Images

Mike Ashley, billionaire and founder of Sports Direct International Plc, arrives at court for a lawsuit hearing in London, U.K., on Monday, July 10, 2017. Jeffrey Blue, an ex-Merrill Lynch investment banker, who worked for Ashley, is alleging in the lawsuit that Ashley reneged on a pledge made in a bar in early 2013 that he would get a payment if he doubled the retailer's share price to eight pounds. Photographer: Simon Dawson/Bloomberg via Getty Images