Day on 瀬戸際 of BMW victory and world number one 最高位の
LAKE FOREST, Illinois, Sept 19 (Reuters) - Jason Day stayed on 跡をつける for his fourth victory in six starts and the world number one 最高位の when he earned a six-一打／打撃 lead after the third 一連の会議、交渉／完成する at the BMW 選手権 on Saturday.
The Australian was far from his very best, but a two-under-par 69 at Conway Farms was enough to 増加する his lead after he started the day five 発射s （疑いを）晴らす.
He 地位，任命するd a 20-under 193 total with one 一連の会議、交渉／完成する left in the third of the PGA 小旅行する's four FedExCup プレーオフ events.
Americans Scott Piercy (67) and Daniel Berger (70) 株d second place at 14-under.
World number three Day, in 地位，任命するing the largest 54-穴を開ける lead on the PGA 小旅行する this year, 始める，決める himself up to （人命などを）奪う，主張する the world number one 最高位の.
If he 勝利，勝つs on Sunday, he will 追いつく 現在の 最高の，を越す dog Rory McIlroy, who 発射 67 to be fourth at 13-under.
Day would also be the 19th player to earn 最高の，を越す 最高位の, and the third Australian after Greg Norman and Adam Scott.
"I felt like I 発射 80," Day told reporters.
"So to be able to squeak out with a 69 and really feel like I got everything that I かもしれない could out of today's 一連の会議、交渉／完成する, I think that was the best 得点する／非難する／２０ I could have 発射.
"It was a little clouded today, so I'm hoping that it's a lot more 解放する／自由な tomorrow and I can just 肉親，親類d of think to myself and really 肉親，親類d of just 押し進める 今後 and not really worry about who's around me like I did today."
If the 27-year-old Day can 変える the large lead it will be his fifth 勝利，勝つ of the year after the 農業者s 保険 Open, Canadian Open, PGA 選手権 (his first major 肩書を与える) and the Barclays, the latter three coming in his last five starts.
He would be the first international player with five 勝利，勝つs on the American 回路・連盟 since Vijay Singh, of Fiji, won nine times in 2004.
"I told everyone when I first （機の）カム out that I 手配中の，お尋ね者 to become number one and everyone 肉親，親類d of laughed, and that's okay. That's 肉親，親類d of the dream that I've always had and now I've got an 適切な時期," Day said.
"It's a lifelong dream. There's so many good things and good perks that come with 存在 number one but it won't happen if I don't 勝利，勝つ tomorrow so I have to 焦点（を合わせる） on the stuff that I've done to get to this point, and I think if I can do that, then I'll be able to pull off a 勝利，勝つ tomorrow. (Editing by Andrew Both)
