The 35 year-old's deal expires in June.
“With how I feel at the moment, I am certain I can play one or two more years,” Klose commented to NDR.
“However, this will be a decision that I will make year by year, month by month. Now let’s see how this season goes.
“I still have a contract until next June. Then there will be the World Cup and we shall see what I will do.
“My decision will undoubtedly be very spontaneous.”
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