Complex sentence: Andrew Walter "Andy" Reid (born March 19,1958) is an American football coach for the Kansas City Chiefs and previously the head coach of the Philadelphia Eagles of the NFL, a post he held from 1999 to 2012.
Split into simpler sentences: Andrew Walter "Andy" Reid (born March 19,1958) is an American football coach that is currently the head coach for the Kansas City Chiefs. Reid was previously the head coach of the Philadelphia Eagles of the NFL, a post he held from 1999 to 2012.