Wochit News - According to a former NFL scout, the appointment of new San Francisco 49ers head coach Chip Kelly is the best chance for Australian Jarryd Hayne to improve. Kelly, who is known for his fast-paced and innovative offense, was announced as the new 49ers coach to replace the fired Jim Tomsula. John Middlekauff, a former Philadelphia Eagles scout and current media commentator said on San Francisco's 95.7 The Game, "This is the best-case scenario for Jarryd Hayne in terms of improving.