Sporting coach Ruben Amorim has left his future at the Lisbon club open amid speculation that he is a candidate to succeed Jürgen Klopp at Liverpool in summer. Amorim, 39, told reporters on Friday that unlike another potential Liverpool candidate, Bayer Leverkusen’s Xabi Alonso, he could not guarantee staying on for the next season. “I will leave Sporting if we don’t win any titles,” he said. “So, first we want to win titles and then we will see. We are on a good path.” Sporting are Portuguese league leaders one point ahead of crosstown rivals and title holders Benfica, and have a game in hand…