Complex sentence: Samiullah Khan (born September 6,1951) is a former field hockey player from Pakistan, who was nicknamed "The Flying Horse" and played als a left winger for his native country in 1970s and 1980s.
Split into simpler sentences: Samiullah Khan (born September 6,1951) is a former field hockey player from Pakistan, who was nicknamed "The Flying Horse". He played as a left winger for his native country in 1970s and 1980s.