Hugo Mallo put Celta Vigo on the board with a header in the 61st minute and Iago Aspas sealed the victory after a mistake by Athletic Bilbao goalkeeper Unai Simon in the 78th. Madrid: Hugo Mallo and Iago Aspas scored second-half goals as Celta Vigo defeated Athletic Bilbao 2-0 for consecutive wins in the Spanish league on Friday. It was …