Dustin Johnson extends lead as world No 1

Paris - American Dustin Johnson extended his lead over Justin Rose as world No 1 on Monday, after easing to victory in the Canadian Open the previous day.

The former US Open champion has now won three PGA Tour titles this year and spent 72 of the last 76 weeks at the top of the world rankings.

The world's top 50 will all be in action this week at the 19th and final WGC Bridgestone Invitational event to be held at Firestone Country Club in Ohio.

SEE: Rankings: Top 20 - SA

World top 20:

1. Dustin Johnson (USA) 10.34 average pts

2. Justin Rose (ENG) 8.75

3. Justin Thomas (USA) 8.16

4. Brooks Koepka (USA) 7.54

5. Jon Rahm (ESP) 7.40

6. Francesco Molinari (ITA) 7.28

7. Rory McIlroy (NIR) 7.18

8. Jordan Spieth (USA) 7.13

9. Rickie Fowler (USA) 6.61

10. Jason Day (AUS) 6.26

11. Tommy Fleetwood (ENG) 6.07

12. Patrick Reed (USA) 5.45 (+1)

13. Alex Noren (SWE) 5.45 (-1)

14. Bubba Watson (USA) 5.23

15. Paul Casey (ENG) 5.22

16. Hideki Matsuyama (JPN) 4.78

17. Henrik Stenson (SWE) 4.67

18. Xander Schauffele (USA) 4.49

19. Marc Leishman (AUS) 4.46

20. Webb Simpson (USA) 4.26 (+1)