Arsenal have returned to the top of the Premier League table, but only just.
It finished at the Hawthorns, West Brom 1, Arsenal 1. Claudio Jacob scored his first goal for the club on the stroke of half time as he glanced his header past Wojciech Szczesny.
Jack Wilshere saved the Gunners with a low volley after 63 minutes, which took a slight deflection on it's way in.
Former Arsenal man, Nicholas Anelka had two good chances for the home side, but both went just wide.
Olivier Giroud almost claimed all three points for the visitors late on but Boaz Myhill denied him well.
Both Arsenal and Liverpool have 16 points and a goal difference of plus six. But the North London side have scored three more goals, and now sit at the summit of the Premier League.