Luis Diaz was Liverpool's gamechanger as the Reds survived a first-half onslaught to reach the Champions League final.
And the Colombian was reduced to tears in the post-match celebrations.
Holding a 2-0 lead from the Anfield first leg, the Reds were stunned by a vibrant performance from Unai Emery's side in the first half in Spain, where the La Liga side shocked their visitors within three minutes when Boulaye Dia fired home amid defensive disarray.