Complex sentence: He announced his retirement on his Instagram account on December 15,2016 after playing for 8 years in the PBA and decided to spent his post-retirement stage in the United States of America with his family.
Split into simpler sentences: He announced his retirement on his Instagram account on December 15,2016 after playing for eight years in the PBA. He decided to spend his post-retirement stage in the United States with his family.