Career
Alberto signed as an international free agent with the Rangers in November 2009, receiving a $7,000 signing bonus. Alberto began the 2013 season with the Frisco Roughriders of the Class Associate of Arts Texas League, but struggled, and was demoted to the Myrtle Beach Pelicans of the Class A-Advanced Carolina League. He was promoted to the major leagues on May 28, 2015.
After the 2015 season, Alberto changed his uniform number from 68 to 2.