Eintracht Frankfurt could be without their Germany goalkeeper Kevin Trapp in next week’s Conference League match at Union Saint-Galloise owing to a lower back injury. Trapp missed Saturday’s 1-1 Bundesliga draw with Bochum after injuring himself in the warm-up session, with Jens Grahl deputising. Frankfurt visit Belgium’s Saint-Galloise on Thursday in the first leg match for a last-16 berth, and coach Dino Toppmöller did not want to make a prediction. “We will have to wait and see, and take it take by day. He has suffered lumbago,” Toppmöller said. Should Trapp not be fit to play on Thursday, …