There has been speculation that the Gabon attacker wanted away from the Gunners so that he can play Champions League football
The 48-year-old Spaniard was fired following the 2-1 home defeat to Eintracht Frankfurt in Thursday's Europa League match.
Atletico's triumph comes after agonising defeats to Real Madrid in the Champions League finals of 2014 and 2016
After a 1-1 draw a week ago in London, Diego Costa grabbed the decisive goal just before half-time in Spain as Atletico reached a fifth European final...
The six players who could decide the game
Despite dominating last week's first leg against Anderlecht, United returned from Brussels with a 1-1 draw.
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