Complex sentence: Dmitri Sergeyevich Upper (born July 27,1978) is a Kazakhstani professional ice hockey center who currently serves as captain of the Barys Astana of the Kontinental Hockey League (KHL).
Split into simpler sentences: Dmitri Sergeyevich Upper (born July 27,1978) is a Kazakhstani professional ice hockey center. He currently plays for Barys Astana in the Kontinental Hockey League (KHL).