Some big names coming up in the next hour, Koepka, Lowry, Rose, Spieth, Schauffele, Finau... Can any of them make a move?

16:00 K Bradley (US), H Varner III (US)

16:10 B Koepka (US), J Kokrak (US)

16:20 KH Lee (Kor), S Lowry (Ire)

16:30 J Rose (Eng), L Griffin (US)

16:40 D McCarthy (US), J Spieth (US)

16:50 X Schauffele (US), T Finau (US)

17:00 A Wise (US), R MacIntyre (Sco)

17:10 T Fleetwood (Eng), L Herbert (Aus)

17:20 R Fox (NZ), R Fowler (US)

17:30 B Hossler (US), T Hoge (US)

17:40 A Arnaus (Spa), V Hovland (Nor)

17:50 C Tringale (US), S Power (Ire)

18:00 P Reed (US), K Na (US)

18:10 B Wiesberger (Aut), M Homa (US)

18:20 T Gooch (US), J Niemann (Chi)

18:30 S Burns (US), G Woodland (US)

18:40 C Smith (Aus), C Young (US)

18:50 T Hatton (Eng), M Kuchar (US)

19:10 S Cink (US), C Kirk (US)

19:20 D Riley (US), M Fitzpatrick (Eng)

19:30 R McIlroy (NI), A Ancer (Mex)

19:40 J Thomas (US), B Watson (US)

19:50 W Zalatoris (US), M Pereira (Chi)

A scrambling, up-and-down par for Woods at the par-5 fifth. His drive found himself among the fans on the left of the fairway and forced him to pitch back out. From the fairway, his approach drifted left and short. But a well controlled putt across the green set up his par.

Further behind, Webb Simpson has made a fast start with birdies at the third and fourth.

Woods to within five feet at the fourth! Beautiful approach, right into the centre of the green.

Oh no... but the putt lips out around the back. The birdie looked inevitable, but he remains at +1 for the day.

Ironically, his playing partner Shaun Norris was the one to make birdie - despite scrambling from the bank of the creek to the back of the green.

He made the birdie from 40 feet - what a three!

Morikawa lands a lovely approach into the fifth to within 10 feet, as he looks to get back to even par for his round. Woods made it to the front fringe of the par-three third in two shots but left his birdie putt high. He’s moved onto the fourth and has found the fairway.

Seven major championships have been held at Southern Hills, the last of which was the 2007 PGA Championship won by Tiger Woods.

On all seven occasions, the winner either led or co-led at the halfway stage, so Will Zalatoris will have history on his side when he tees off as the halfway leader later tonight.

Woods gives himself a fighting chance at saving par with a beautiful fade around the tree on the left of the fairway to roll it into the green - but the par putt stops a foot short, so he if left to tap in for bogey-five.

But it comes down with a splash for Woods at the second. After making his par, his drive at the long par 4 fails to carry the burn that snakes its way across the fairway.

A gutsy par putt for Woods at the first! After catching the front edge of the green with his approach into the green, his third shot left him with 13 feet. Still, he rolled it into the hole to remain at +4.

Woods’ introduction includes his four PGA Championships, and he gets underway with a drive down the left of the fairway.

Collin Morikawa starts his round with a bogey at the first to slip further down the leaderboard at +5.

Woods is approaching the first tee now. South Africa’s Shaun Norris has the honour/unenviable task of playing alongside him today.