ATLANTA, July 6 : Hossam Hassan’s coaching career has not come close to emulating his record-breaking playing days, but the fiery Egyptian could well change that on Tuesday if his team upset Argentina at the World Cup.Hassan was a prolific striker for Egypt, still holding the record for the most goals and at one stage being the world’s most capped international. He played at the 1990 World Cup, won the last of his three Africa Cup of Nations aged 39 and earned multiple medals in continental and Egyptian club football.He has had a controversial coaching career, however, with a high turnover of jobs and a prickly relationship with supporters and the press.Famously quick to lose his temper, there have been many altercations, most recently at the Africa Cup of Nations in Morocco when the crowd