Freiburg lost 4-1 at home to Union Berlin on Saturday to hand the advantage in the race for the Bundesliga’s fourth spot back to RB Leipzig. Patrik Schick’s brace helped third-placed Bayer Leverkusen secure their Champions League place next season with a 4-2 win at Hoffenheim, while the battle for the final spot in Europe’s premier club competition will go to the last round of matches next Saturday. Leipzig, who have lost their last two in the Bundesliga and were eliminated in the Europa League semis on Thursday, can reclaim fourth from Freiburg with a point at home to Augsburg on Sunday. Unio…