Messi scored two goals for his team's second leg match against Manchester United, which was held in the Camp Nou, and ended with a 3-0 win.
Messi beat Ajax Amsterdam's Mathias de Lichte, Tottenham Hotspur defender Son Heung-min and Liverpool striker Roberto Firmino, who were also nominated for the award.
Majestic Messi scoops the prize ?#UCL #POTW @FTBSantander pic.twitter.com/L2qzAL39wg
— UEFA Champions League (@ChampionsLeague) April 19, 2019