Complex sentence: Nkono would play three more years in Spain, incidentally also in Catalonia, with CE Sabadell FC (second level) and CE L'Hospitalet; he retired already in his 40's, with Club Bolívar from Bolivia.
Split into simpler sentences: Nkono would play three more years in Spain, with second tier clubs like Sabadell FC and Hospitalet. He retired already in his 40's, with Club Bolívar from Bolivia.