Albion regained top spot in the Championship, despite being pegged back twice during their 2-2 draw at Charlton Athletic.
Kenneth Zohore followed up his goal in the FA Cup last weekend against Charlton when he fired Albion in front in the 22nd minute.
The hosts equalised when youngster Josh Davidson scored his first professional goal with a close range header after Albion had failed to clear six minutes later.
The Baggies again took the lead when the raced out of the blocks after the break with Hal Robson-Kanu turned in Matty Phillips’ cross at the near post just a minute into the second half.
But Slaven Bilic’s side were unable to hold on to all three points and Charlton levelled the scores with 15 minutes to go when Tom Lockyer scored for a free header that Sam Johsnstone should’ve done better to keep out.
Albion’s draw at the Valley and Leeds’ surprise defeat at home to Sheffield Wednesday saw the Baggies go top of the Championship, seven points ahead of third-placed Brentford.