RESULT: 15-18, +2.66 

LAY Phil Mickelson to lose 15pts @10.5  (i.e. stake 1.58pts)
LAY Sergio Garcia to lose 15pts @21  (i.e. stake 0.75pts)
LAY Padraig Harrington to lose 15pts @26  (i.e. stake 0.6pts)
LAY Luke Donald to lose 15pts @38  (i.e. stake 0.41pts)
LAY Ernie Els to lose 15pts @60  (i.e. stake 0.25pts)
LAY Retief Goosen to lose 15pts @60  (i.e. stake 0.25pts)
LAY Trevor Immelman to lose 15pts @50  (i.e. stake 0.31pts)
LAY Henrik Stenson to lose 15pts @100  (i.e. stake 0.15pts)
LAY Robert Allenby to lose 15pts @70  (i.e. stake 0.22pts)
LAY Andres Romero to lose 15pts @90  (i.e. stake 0.17pts)
LAY Paul Casey to lose 15pts @100  (i.e. stake 0.15pts)

BACK Ben Crane to win 50pts @140  (i.e. stake 0.36pts)
BACK Pat Perez to win 50pts @180  (i.e. stake 0.28pts)
BACK Bart Bryant to win 50pts @220  (i.e. stake 0.23pts)
BACK Steve Stricker to win 50pts @130  (i.e. stake 0.39pts)
BACK Brandt Snedeker to win 50pts @200  (i.e. stake 0.25pts)
BACK Camilo Villegas to win 50pts @160  (i.e. stake 0.31pts)
BACK Hunter Mahan to win 50pts @190  (i.e. stake 0.26pts)
BACK Woody Austin to win 50pts @470  (i.e. stake 0.11pts)
BACK Toru Taniguchi to win 50pts @1000  (i.e. stake 0.05pts)
BACK Heath Slocum to win 50pts @360  (i.e. stake 0.14pts)
BACK DJ Trahan to win 50pts @900  (i.e. stake 0.06pts)
BACK Jason Gore to win 50pts @870  (i.e. stake 0.06pts)
BACK Fredrik Jacobson to win 50pts @640  (i.e. stake 0.08pts)
BACK Jason Bohn to win 50pts @480  (i.e. stake 0.1pts)

update after round 3:

BACK Ernie Els to win 10pts @110  (i.e. stake 0.09pts)
BACK Robert Allenby to win 10pts @70  (i.e. stake 0.14pts)
BACK Sergio Garcia to win 10pts @85  (i.e. stake 0.12pts)
LAY Geoff Ogilvy to lose 5pts @18  (i.e. stake 0.29pts)
LAY Robert Karlsson to lose 5pts @60  (i.e. stake 0.08pts)
LAY MA Jimenez to lose 5pts @75  (i.e. stake 0.07pts)
BACK Tiger Woods to win 1pts @1.72  (i.e. stake 1.39pts) 

Knee injury or not, Woods' record when leading in majors is phenomenal and at 1.72 looks a big price here.

Position now:

Ernie Els: -4.3
Robert Allenby: -4.21
Sergio Garcia: -4.77
Geoff Ogilvy: -4.43
Robert Karlsson: -4.22
MA Jimenez: -4.2
Tiger Woods: 3.25
Brandt Snedeker: 51.11
Camilo Villegas: 51.18
DJ Trahan: 50.92
Hunter Mahan: 51.13
The Field: +0.86

Just in case any of the latter 4 players get close will put up some lays to be left in play

LAY Camilo Villegas to lose 10pts @3  (i.e. stake 5pts) - unmatched
LAY Camilo Villegas to lose 10pts @2  (i.e. stake 10pts) - unmatched
LAY Hunter Mahan to lose 10pts @3  (i.e. stake 5pts) - unmatched
LAY Hunter Mahan to lose 10pts @2  (i.e. stake 10pts) - unmatched
LAY DJ Trahan to lose 10pts @3  (i.e. stake 5pts) - unmatched
LAY DJ Trahan to lose 10pts @2  (i.e. stake 10pts) - unmatched
LAY Brandt Snedeker to lose 10pts @3  (i.e. stake 5pts) - unmatched
LAY Brandt Snedeker to lose 10pts @2  (i.e. stake 10pts) - unmatched

Update before playoff:

BACK Rocco Mediate to win 1.8pts @4  (i.e. stake 0.6pts)

Prices look about right now, so just levelling off the position for an even profit.