Mercado represented Colombia at the 2019 Pan American Racquetball Championships in Barranquilla, Colombia, where he played Men's Singles and Doubles. In singles, he lost in the Round of 16 to Mexican Álvaro Beltrán, 12–15, 15–8, 11–1. In doubles, he and Andrés Gómez lost to Roland Keller and Conrrado Moscoso, 15–3, 15–5, in the quarterfinals.
