SHANGHAI — Dustin Johnson and Brooks Koepka, close friends who live down the street from each other in Jupiter, are in the final group going into the weekend at the HSBC Champions. They are separated by one shot, so it might feel like one of their money matches when they play together at home. There's just one problem with that. "We don't really play much golf," Johnson said after his 9-under 63 for a one-shot lead Friday at Sheshan International. "We go to the gym and we hang out, but we don't go to the golf course together. We played last Saturday, and that was the first time we played in … I couldn't tell you how long. All year, probably."They won both their matches as partners at the Presidents Cup, and Koepka, a Florida State product, says they saw each other for 14 out of their 21 days at home. It didn't involve much golf. That figures to change at the final World Golf Championships event of the year.Johnson ended the day at 13-under 131. Koepka, who led after the first round with 64, opened with two straight birdies, followed with 13 consecutive pars then birdied two of his last three holes for 68. PGA: Ryan Armour shot 4-under 68 to take a one-shot lead at the Sanderson Farms Championship in Jackson, Miss., before thunderstorms suspended play. Armour, one of five players who shared the overnight lead, is at 10-under 134, one ahead of Tyrone Van Aswegen (65).LPGA: Feng Shanshan had three birdies before a lengthy rain delay and three more after, shooting 6-under 65 to take a one-stroke lead after the second round of the LPGA Malaysia in Kuala Lumpur. Feng is at 11-under 131. Madelene Sagstorm (66) is in second. Overnight leader Lydia Ko (72) had four bogeys to fall five strokes back.CHAMPIONS: David Toms had a hole-in-one in his round of 6-under 66, good for a share of the first-round lead with Jeff Maggert at the PowerShares QQQ Championship in Thousand Oaks, Calif.