Complex sentence: The team was established in 1926 as the Providence Reds--it is one of the oldest professional hockey franchises extant--and after a series of relocations moved to Hartford, in 1997, as the Hartford Wolf Pack.
Split into simpler sentences: The team was established in 1926 as the Providence Reds. After a series of relocations, the team moved to Hartford in 1997 as the Hartford Wolf Pack.