Albion's fortress Hawthorns continued with more high drama as the Baggies saw off Middlesbrough 4-2 with a chaotic mixture of exciting attacks and nerve-jangling defending.
Carlos Corberan's side made it two wins from two at home this season but followed up the 3-2 effort against Swansea with a 4-2 here, leaving no shortage of entertainment for the home faithful.