[3] Herrera began the 2019 season with the Peoria Chiefs of the Class A Midwest League before being promoted to the Palm Beach Cardinals of the Class A-Advanced Florida State League in July; over 87 games between the two clubs, he slashed .284/.374/.405 with nine home runs and 47 RBIs.

[4] After the season, he was selected to play in the Arizona Fall League with the Glendale Desert Dogs, with whom he was named an All-Star.

[9] Herrera spent a majority of the 2021 season with Springfield, slashing .231/.346/.408 with 17 home runs and 63 RBIs over 98 games.

[14] He collected his first career hit on June 26, knocking a single off of Chicago Cubs starter Alec Mills.

He spent the majority of the season with Memphis, hitting .268/.374/.396 with 6 home runs, 34 RBI, and 5 stolen bases.