Union Berlin will be without forward Max Kruse again when they host Feyenoord in the Conference League on Thursday. Coach Urs Fischer said on Wednesday that Kruse is still nursing back and thigh muscle problems. The veteran is the only absentee for the European game and could return Sunday in the Bundesliga against Cologne. Feyenoord lead the group with seven points while Union are last on three. Union lost the first match between the two in Rotterdam two weeks ago 3-1 and Fischer hopes for a better performance from his team which also lost in the league last weekend, 5-2 against champions Bay…