Tiger four ahead of Toms

World Golf Championship Leaderboard:

21 under - Tiger Woods (USA) (after 58 holes)

17 under – David Toms (USA) (59)

16 under – Scott McCarron (USA) (58)

Jerry Kelly (USA) (61)

15 under – Sergio Garcia (Spa) (68)

Retief Goosen (Rsa) (58)

Steve Lowery (USA) (56)

Others:

12 under – Padraig Harrington (63)

13 under – Gary Evans (68)

Niclas Fasth (Swe) (70)

11 under – Phil Mickelson (USA) (72)

10 under – Thomas Bjorn (Den) (62)

9 under – Colin Montgomerie (72)

Bernhard Langer (Ger) (71)

4 under – Justin Rose (72)

2 under – Paul Lawrie (72)

7 over – Darren Clarke (72)