Valencia secured a 3-1 advantage from the first leg of their Copa del Rey fourth-round tie against Leganes.
Los Che are struggling for consistency in La Liga, without a win since Oct. 16, but took the lead after only three minutes through Munir El Haddadi.
A header from Alvaro Medran doubled Valencia's lead in the 25th minute.
Leganes, who sit a place above Valencia in 15th in the league, reduced the deficit through Darwin Machis just before the hour mark.
However, Valencia scored what could prove...