Christmas between Australian national team boss Graham Arnold and football defender Trent Sainsbury can be very cold as the manager excludes his son-in-law from the World Cup squad Australian head coach Graham Arnold has made the bold decision to drop his own son-in-law, Trent Sainsbury, from the Qatar FIFA World Cup squad. Qatar FIFA World Cup fans can buy France Vs Australia Tickets from our website. Meanwhile, he has opted to bring teenager Garang Kuol into the squad, although he has not been in the league so far this season. Cool will join Newcastle from Australia's Central Coast Mariners in January and will represent his current club team in the A-League All-Star Game against Barcelona.