Mike Ashley, the chief executive of Sports Direct International, has expressed an intent to buy the remaining shares of Antigua Enterprises through his company Ashley N.A. He already owns 80 percent of the shares in the Arizona-based golf firm, and is offering $0.31 per share for the 8.52 million shares remaining. Antigua is checking with its financial adviser, Greene Holcomb & Fisher, to determine whether the deal is fair. For the quarter ended July 31, Antigua’s sales fell by 24 percent to $9.2 million and net income was down by 78 percent to $74,899. Its current valuation is $13.2 million.