Terrance Robertson is in his first season with the ThunderBolts and fourth professionally in 2018. He signed on July 18, 2018. His professional career began in 2015, when he was selected in the 12th round of the MLB Amateur Draft by the New York Yankees. In parts of four seasons in the Yankees' system, playing in the Gulf Coast and Appalachian Leagues, he appeared in 130 games, hitting .212 with a .331 on-base percentage and 28 stolen bases. 2017 was his best year as he batted .264 with a .382 on-base percentage and ten steals. Terrance began his high school career at Simeon Academy in Chicago before graduating from Valley Vista High School in Surprise, Arizona.