Complex sentence: Layún made history on 27 September 2009, debuting during a 1--1 draw vs Chievo in the 82nd minute of the match, thus becoming the first Mexican player to play for a Serie A team.
Split into simpler sentences: Layún made history on September 27,2009, debuting during a 1-1 draw vs Chievo in the 82nd minute. He became the first Mexican player to play for a Serie A team.