Dustin Johnson held firm to hold the 54 hole lead at the World Golf Championships-HSBC Champions at Sheshan International Golf Club in Shanghai, China. Dustin Johnson / Getty Images Dustin needed to be strong in the third round, and he was, shooting a -6 under par 66, which kept him on top of the leaderboard at the HSBC Champions event, by three shots, on -18 under par. He felt he left a few shots out on the course; "If you would have told me I would shoot 6 under before teeing off today, I'd have taken it. Obviously left a few shots out there." Hot on his heels for most of the day was defending Champion Ian Poulter, Poults had a -9 under par 63, for a -15 under par total, which keeps the pressure on Dustin going into the final round tomorrow; " I just need to do my thing tomorrow and make a lot more than what he does. I'm going to have to see what happens coming down the stretch. It will always be great to be in the last group, seeing what's going on. It fires you up even more. It's only Saturday, you can't win tournaments on Saturday. It's all about playing well on Sunday. I need to do that. I need to make plenty of birdies, try and make an eagle. if I can, I can get close." Graeme McDowell is alone in third place at -14 under par four off the pace after his third round -8 under par 64. Graham DeLaet (65), Justin Rose (65) and Rory McIlroy (67) were two more shots back at -12 under par, tied in fourth place. Graeme thinks Dustin is pretty safe; "From here, it looks like Dustin is going to have to beat himself for anybody to have a chance to catch him. Race to Dubai points will be very important to me. I have a lot to play for tomorrow. If not the trophy, second place will certainly be worth my while." Martin Kaymer shot up the leaderboard with a record breaking third round of -10 under par 62, he was looking like shooting 59 but finished up parring the last two holes, as well as making par on two par fives; "I didn't really play much different than the last few days. I just made a few putts, a couple unexpected ones."