Football player and Olympic gold medalist Lionel Messi, originally not from Buenos Aires but from Rosario, was named as an ambassador of the 2018 YOG in March 2014, and he delivered a video welcoming message for the young athletes to Buenos Aires during the closing ceremony of the 2014 Summer Youth Olympics. In December 2015, the four-time olympic medalist Luciana Aymar was also named as an ambassador of Buenos Aires 2018. In July 2017, Olympic gold medalist Luis Scola was named ambassador of the 2018 YOG.
