Complex sentence: However, in 2008 and 2009 a small group of supporters added modest locker rooms and bathrooms which were a marked improvement over what was built in the 1990s, but a far cry from what was to "be" built.
Split into simpler sentences: However, in 2008 and 2009 a small group of supporters added modest locker rooms and bathrooms. A marked improvement over what was built in the 1990s, but a far cry from what was to "be" built.