Saturday's 2-0 win at home to Huddersfield Town also sent the Whites top and one point above West Brom. So how have the odds changed in the promotion race?
We take a look at the prices for all of the teams in the top 16 to win promotion as well as listing the odds for a top-two finish and there's a bizarre twist with Leeds.
13. Brentford - 13-8
Position: 4th. Points: 60. Odds for promotion: 13-8. Top-two finish: 14-1. Photo by Henry Browne/Getty Images. | Getty
14. Fulham - 9-5
Position: 3rd. Points: 64. Odds for promotion: 9-5. Top-two finish: 9-1. Photo by Jordan Mansfield/Getty Images. | Getty
15. West Brom - 1-14
Position: 2nd. Points: 70. Odds for promotion: 1-14. Top-two finish: 1-10. Photo by Mark Thompson/Getty Images. | Getty
16. Leeds United - 1-20
Position: 1st. Points: 71. Odds for promotion: 1-20. Top-two finish: 1-28 (bigger odds, bizarrely, with Betfred). Picture by Jonathan Gawthorpe. | jpimedia