BERLIN :Deutsche Bahn joked over the small number of fans expected to attend the playoff between Heidenheim and Elversberg, by posting an image on social media of a train with just one carriage saying that was the only special service needed. The playoff will decide whether Heidenheim will remain in the Bundesliga after finishing in 16th spot or whether Elversberg will be promoted after ending the season third in the second division. The total combined population of the towns of Heidenheim and