Humberto Albert Mejia is a 6’3″, 175 lb. right-handed pitcher from Panama City, Panama. Born on March 3rd, 1997, he signed with the Miami Marlins through free agency on September 16th, 2013.
Mejia didn’t jump right in. In 2014, he didn’t appear for the Miami Marlins at any level. Starting in 2015, he joined the rookie-level DSL Marlins, in the Dominican Summer League.
The DSL is an organization which employs undrafted international free agents throughout its ranks. Generally, the players involved are the youngest professional ballplayers in the world, aged as young as 16-years-old in some cases.