Luis Felipe Castillo

On February 16, 2012, Castillo signed with the Arizona Diamondbacks as an international free agent.[1] He made his professional debut with the Dominican Summer League Diamondbacks, recording an 0-9 record and 4.48 ERA in 14 starts. He returned to the team the following season and went 4-4 with a 3.58 ERA in 14 starts. For the 2014 season, Castillo played for the rookie-level AZL Diamondbacks, posting a 3-3 record and 4.40 ERA in 15 appearances. The next season, Castillo recorded a 1.83 ERA in 11 games with the team. In 2016, he played for the rookie-level Missoula Osprey, posting an 0-3 record and 4.04 ERA in 19 games. For the 2017 season season, Castillo played for the Low-A Hillsboro Hops, registering a 2.91 ERA with 35 strikeouts in 34.0 innings of work. He split the 2018 season between the Single-A Kane County Cougars, Hillsboro, and Missoula, accumulating a 2.41 ERA in 24 appearances between the three teams. In 2019, Castillo played tor the High-A Visalia Rawhide, recording a 9-0 record and 3.81 ERA in 43 appearances.[2]

Castillo did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.[3] He was assigned to the Double-A Amarillo Sod Poodles to begin the 2021 season before receiving a promotion to the Triple-A Reno Aces in June.[4] Castillo finished the year with a cumulative 4.72 ERA in 29 appearances between the two affiliates. He elected minor league free agency following the season on November 7, 2021.[5]

On February 1, 2022, Castillo signed a minor league contract with the Detroit Tigers organization. He was assigned to the Triple-A Toledo Mud Hens to begin the season.[6]