Complex sentence: Several association football teams play in Curitiba, Coritiba (the biggest football club of the state), plays at Estádio Major Antônio Couto Pereira, Clube Atlético Paranaense at Estádio Joaquim Américo Guimarães.
Split into simpler sentences: Several association football teams play in Curitiba (the biggest football club of the state). Coritiba plays at Estádio Major Antônio Couto Pereira, Clube Atlético Paranaense at Estádio Joaquim Américo Guimarães.