Complex sentence: At the time, they were the third Canadian team to join the GBL and team played their home games at Royal Athletic Park, a multipurpose sports stadium in Victoria which also is used for football, soccer and softball.
Split into simpler sentences: At the time, they were the third Canadian team to join the GBL. The team played their home games at Royal Athletic Park, a multipurpose sports stadium in Victoria which also is used for football, soccer and softball.