Welcome to Great Fightbacks, where giving up is never an option. These are the stories of ten extraordinary comebacks in the arenas of sports car and motorcycle racing.         1. Louis Rosier: 2. Sir Jackie Stewart 3. Mike Hailwood 4. Bernd Schneider 5. Pedro Lamy 6. Jacky Ickx 7. Marc Marquez

John Hindhaugh, Tim Gray and Marshall Pruett look ahead to the 2016 Indycar season, with contributions from drivers including Scott Dixon, Graham Rahal, Conor Daly and James Hinchcliffe.