Bayern Munich striker Robert Lewandowski said on Sunday he expects to make an announcement on his future soon while former club chairman Karl-Heinz Rummenigge is convinced he will stay. “I believe that the time will come soon to give more information. I will be able to say more soon,” the 34-year-old told Sky TV. Lewandowski said after the end of the Bundesliga season he will not renew his contract beyond 2023 and that he may even leave this summer, with Barcelona reportedly interested. But new Bayern boss Oliver Kahn has said that top scorer Lewandowski “must fulfil his contract, period,” a s…