Hamilton has 'utterly unblemished record', says Mercedes' James Allison

Lewis Hamilton's lack of unsporting moments on the race track is "unprecedented" and sets him apart from other great Formula One champions of the past, according to Mercedes technical boss James Allison.

Hamilton is one championship away from matching Michael Schumacher's all-time record of seven, while he is also eight wins away from surpassing the German's career tally of 91. Schumacher is statistically the greatest of all time but his career was littered with several infamous moments - notably, he was disqualified from the 1997 championship after trying to drive title rival Jacques Villeneuve off the road at that year's deciding race.

F1 'increasingly confident' of summer start

Hamilton's…