Amateur Jin Jeong is also at -6 after 16, he is still 150/1 with 10bet.
Last year’s playoff contender Tom Watson is in the clubhouse at +1, 300/1 at Totesport.
Woods comes in at -5, 4 behind leader McIlroy, Woods can now be backed at 9/2 with Victor Chandler.
Rose, Woods’ partner, comes in at -2 after a late bogey on 17 and sits at 40/1 with Bet365, out from 20′s
Ross Fisher went round in 68 (-4), 66/1 with Ladbrokes.
Ernie Els is just in contention at -3, 33/1 at Skybet.
Phil Mickleson and Colin Montgomerie par the first while Reteif Goosen birdies it, Goosen currently 50/1 at Sportingbet.
Louis Oosthuizen is on the charge, -6 after 11 holes. 40/1 at 888sport, anything up to 400/1 pre tournament.
Louis Oosthuizen is sticking well, moving to -8 from 16 holes. He moves to 20/1 Victor Chandler.
Westwood has started well, -4 after 8 and finds himself 11/1 at Skybet.
Oosthuizen cards a seven-under par 65 and is now available at a best price of 35/1 with bet365.
Elsewhere, Lee Westwood is -5 after 12 holes and Skybet have cut him to 8/1, Englishman Steven Tiley can still be backed at 250/1 (Paddy Power), despite going round in 66 while Phil Mickelson remains on par after the front nine and has subsequently drifted to 40/1 at Extrabet.
US Open champion Graeme McDowell is on the drift at 125/1 with bet365, struggling at +1 after 13 holes.
By contrast, Andrew Coltart is tied for third on -6 but can still be backed at 125/1 courtesy of Coral.
Wales’ Bradley Dredge shares that position having just carded a round of 66 to send his odds into 80/1 at William Hill but nobody will prevent Rory McIlroy from ending the day sitting proudly on top of the leaderboard and heading the betting at 10/3 with Stan James.