Complex sentence: Officially named "Coliseo Rubén Rodríguez" and nicknamed El Rancho Vaquero by some fanatics of the Bayamon Cowboys (Local Basketball team), is one of the biggest indoor arena in Puerto Rico dedicated to Rubén Rodríguez (former player of the Bayamón Cowboys).
Split into simpler sentences: Officially named "Coliseo Rubén Rodríguez" and nicknamed El Rancho Vaquero by some fanatics of the Bayamon Cowboys (Local Basketball team), is one of the biggest indoor arena in Puerto Rico. The Coliseum was dedicated to Rubén Rodríguez (former player of the Bayamón Cowboys).