Complex sentence: In 1928 Monagas became "the first and finest" sports editor to work for a local newspaper (El Día), and in 1929, Monagas founded one of the first two athletic clubs on the island, the Ponce Athletic Club.
Split into simpler sentences: In 1928 Monagas became "the first and finest" sports editor to work for a local newspaper (El Día). In 1929, Monagas founded one of the first two athletic clubs on the island, the Ponce Athletic Club.