Complex sentence: Marquinhos scored the last goal of PSG's 6--1 aggregate win over Bayer Leverkusen in the last 16 of the Champions League on 12 March 2014, and was an unused substitute as they won the Coupe de la Ligue Final against Lyon on 19 April.
Split into simpler sentences: Marquinhos scored the last goal of PSG's 6--1 aggregate win over Bayer Leverkusen in the last 16 of the Champions League on 12 March 2014. He was an unused substitute as PSG won the 2014 Coupe de la Ligue Final against Lyon on 19 April.