Ibrahim Maza and summer signings deliver first Bundesliga victory for Carles Martínez

After last week's shock defeat at Eleversberg, Bayer Leverkusen - and their new coach, Carles Martínez - were in desperate need of a morale boost in front of their home fans. And they got just that, as Ibrahim Maza, as well as the summer signings of Facundo Medina and Miguel Gutiérrez, helped propel Die Werkself to an authoritative 4-0 triumph over Union Berlin at the BayArena.