Complex sentence: Vancouver Whitecaps FC, the other Cascadian USSF Division 2 Professional League, team was replaced by an MLS franchise in 2011, which competes along with Portland and Seattle in the Cascadia Cup.
Split into simpler sentences: Vancouver Whitecaps FC, the other Cascadian USSF Division 2 Professional League team, was replaced by an MLS franchise in 2011. It competes along with Portland and Seattle in the Cascadia Cup.