Eurosport has the exclusive rights to broadcast the Winter Olympics in Sweden and has sent more than 100 employees to Pyeongchang, meaning that it is easier for them to fly the former Sweden international to their studios in Korea.
"We have a lot of people on site, but we were missing a football expert in our gang, so we're very glad that Kim is doing this," Discovery's head of sport Emir Osmanbergovic said.
Kallstrom will also have to do the first overnight shift of his punditry career as the Round of 32 first leg tie kicks off at 7 p.m. in Sweden, which is 3 a.m in Pyeongchang.
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(Reporting by Philip O'Connor; Editing by John O'Brien)
