Complex sentence: He accepted a job coaching in the Expos organization in 1981 while recovering from surgery to remove a brain tumor and later after trying to resume his playing career in the spring of 1982, became a full time coach that June with the Jamestown Expos.
Split into simpler sentences: He accepted a job coaching in the Expos organization in 1981 while recovering from surgery to remove a brain tumor. After trying to resume his playing career in the spring of 1982, became a full time coach that June with the Jamestown Expos.