[3][4] He spent the 2018 season with the High–A Stockton Ports, hitting .291/.342/.406 with one home run, 37 RBI, and 22 stolen bases.

He opened the 2019 season with the Double–A Midland RockHounds, hitting .276/.342/.468 with seven home runs, 44 RBI, and 27 stolen bases.

[5] On July 27, 2019, Blanco and Ismael Aquino were traded to the Kansas City Royals in exchange for Jake Diekman.

[7] Blanco split the 2021 season between Northwest Arkansas and the Triple–A Omaha Storm Chasers, hitting a combined .277/.350/.441 with 14 home runs, 53 RBI, and 41 stolen bases.

[10] He spent the remainder of the year in Omaha, hitting .301/.367/.486 with 14 home runs, 61 RBI, and 45 stolen bases across 107 games.