Shirebrook, UK, 2016-May-16 — /EPR Retail News/ — Sports Direct International plc ("Sports Direct" or "the Group"), the UK's leading sports retailer, announces that, further to the announcement made by the Group on 23 January 2015, it has extended the Put Option Agreement entered into with Goldman Sachs International referencing 128,927,113 ordinary shares of Debenhams plc…