Hector Luis Mercado
- Bats Left, Throws Left
- Height 6' 3", Weight 235 lb.
- High School Escuela Jose Santos Alegria
- Debut April 4, 2000
- Final Game July 11, 2003
- Born April 29, 1974 in Catano, P.R.
Mercado was a coach for the GCL Astros in 2010-2011, Greeneville Astros in 2012, and GCL Astros again in 2013-2015. He then moved to the Philadelphia Phillies' chain as pitching coach of the GCL Phillies in 2016.