froch 's dream of a swansong fight in las vegas against julio cesar chavez jr looks to have gone up in smoke after the former middleweight world champion was stopped in nine rounds by andrzej fonfara .
froch has not fought since knocking out george groves in their re-match at wembley last may .
froch has not fought since knocking out george groves at wembley stadium in a re-match last may .