LEMONT, IL - SEPTEMBER 11: Marc Leishman of Australia hits his tee shot on the ninth hole during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11: Phil Mickelson hits his third shot on the ninth hole during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11: Phil Mickelson lines up his birdie putt on the ninth hole during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11: Bo Van Pelt watches his tee shot on the ninth hole during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11 : Mark Wilson watches his tee shot on the ninth hole during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11 : Mark Wilson hits his second shot on the ninth hole during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11 : Mark Wilson stands on the ninth green during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11 : Mark Wilson waves to the crowd on the ninth hole during the second round of the BMW Championship at Cog Hill Golf & Country Club on September 11, 2009 in Lemont, Illinois. (Photo by Hunter Martin/Getty Images)
LEMONT, IL - SEPTEMBER 11: Tiger Woods hits a bunker shot on the 11th hole during the second round of the BMW Championship held at Cog Hill Golf & CC on September 11, 2009 in Lemont, Illinois. (Photo by Scott Halleran/Getty Images)
LEMONT, IL - SEPTEMBER 11: Tiger Woods watches his second shot on the 11th hole during the second round of the BMW Championship held at Cog Hill Golf & CC on September 11, 2009 in Lemont, Illinois. (Photo by Scott Halleran/Getty Images)
LEMONT, IL - SEPTEMBER 11: Anthony Kim hits his tee shot on the 15th hole during the second round of the BMW Championship held at Cog Hill Golf & CC on September 11, 2009 in Lemont, Illinois. (Photo by Scott Halleran/Getty Images)
LEMONT, IL - SEPTEMBER 11: Tiger Woods grabs for a golf ball on the practice ground during the second round of the BMW Championship held at Cog Hill Golf & CC on September 11, 2009 in Lemont, Illinois. (Photo by Scott Halleran/Getty Images)
LEMONT, IL - SEPTEMBER 11: Rory Sabbatini of South Africa reacts to a missed birdie putt on the 14th green during the second round of the BMW Championship held at Cog Hill Golf & CC on September 11, 2009 in Lemont, Illinois. (Photo by Scott Halleran/Getty Images)
LEMONT, IL - SEPTEMBER 11: Padraig Harrington of Ireland reaches for a golf ball on the practice ground during the second round of the BMW Championship held at Cog Hill Golf & CC on September 11, 2009 in Lemont, Illinois. (Photo by Scott Halleran/Getty Images)
LEMONT, IL - SEPTEMBER 11: Rory Sabbatini of South Africa hits his approach shot on the 13th hole during the second round of the BMW Championship held at Cog Hill Golf & CC on September 11, 2009 in Lemont, Illinois. (Photo by Scott Halleran/Getty Images)