Arsenal have suffered a fourth defeat in five league games, after losing 3-1 to West Brom at the Hawthorns.
After falling 1 goal behind early in the match on Saturday, the Gunners managed to level the scoring through Alexis Sanchez's close-range effort in the 15th minute.
However, they fell behind again 10 minutes after the break when substitute Hal Robson-Kanu rolled the ball home with only his second touch after coming on.
Craig Dawson then scored his second of the match in the 75th minute to seal the deal for the hosts. 3-1 the final score and with the huge defeat, the Gunners' hopes of a top-four finish were left in tatters.