Eintracht Frankfurt racked up a third win out of four in the Europa League after in-form Omar Marmoush sealed a 1-0 home win over Slavia Prague on Thursday. The 2022 champions had opened their European campaign with a 3-3 draw against another Czech side in Viktoria Plzen, but Slavia were slain to stay on just four points. Frankfurt striker Hugo Ekitike was rested in favour of 18-year-old Can Uzun. But fellow forward Marmoush, one of the stand-out players in the Bundesliga this term, is undroppable at present and netted with a perfect free-kick off the woodwork early in the second half. The Egy…