Complex sentence: In the 1990s when West Hartlepool were in the top leagues there was a rivalry with Newcastle Falcons who were also known as Newcastle Gosforth however the real derby matches were with Hartlepool Rovers.
Split into simpler sentences: In the 1990s when West Hartlepool were in the top leagues there was a rivalry with Newcastle Falcons who were also known as Newcastle Gosforth. However the real derby matches were with Hartlepool Rovers.