Complex sentence: After playing for Minnesota Kicks in the United States in 1978, George joined Southampton, where he spent three years and had a brief loan spell with Nottingham Forest with whom he won the UEFA Super Cup of 1980.
Split into simpler sentences: After playing for U.S. club Minnesota Kicks in 1978, George joined Southampton where he spent the next three seasons. Whilst at Southampton George had a spell on loan with Nottingham Forest with whom he won the UEFA Super Cup of 1980.