Complex sentence: The Club focuses its efforts on the London Universities Sports League (LUSL), formerly known as the ULU League, in which it enters a mixed gender team and plays weekly matches against other London universities.
Split into simpler sentences: The Club focuses its efforts on the London Universities Sports League (LUSL), formerly known as the ULU League. The club enters a mixed gender team for the LUSL league and plays weekly matches against other London universities.