 Complete the following phrase:  Irvine remained at Jaguar for 2001 and was partnered by Luciano Burti. Despite his vocal frustrations, Jaguar team principal Bobby Rahal backed Irvine for the upcoming season, although Irvine was not confident citing his uncertainty about his team becoming competitive which he has made vocal. Rahal became concerned over Irvines attitude when the teams car, the Jaguar R2, was underperforming during pre-season testing. Irvine supported the view of being sacked at the end of the season if his performances did not satisfy the team. Irvine clinched 11th place in the first round in Australia and failed to finish in the next four consecutive races. Before the 