Complex sentence: As of 2006, Neco is the player who played the longest for Corinthians: 17 years--he started in the third team of Corinthians at the age of 16 and joined the first team in 1913 (the first year Corinthians participated in official competitions).
Split into simpler sentences: As of 2006, Neco is the player who played the longest for Corinthians: 17 years. He started in the third team of Corinthians at the age of 16 and joined the first team in 1913 (the first year Corinthians participated in official competitions).