Complex sentence: Libertario Pérez Rodríguez, hasn't enjoyed as much success as their baseball counterparts, but in the early 2000s, they showed a lot of progress by reaching the national playoffs various times.
Split into simpler sentences: Libertario Pérez Rodríguez, hasn't enjoyed as much success as their baseball counterparts. However in the early 2000's, they showed a lot of progress by reaching the national playoffs various times.