This is a 2023 photo of Arizona Diamondbacks relief pitcher Miguel Castro. This image reflects the Arizona Diamondbacks' active roster as of Wednesday, Feb. 22, 2023, when this image was taken in

Arizona Diamondbacks' Miguel Castro during their baseball game against the San Diego Padres Friday, April, 21, 2023, in Phoenix. (AP Photo/Darryl Webb Stock Photo - Alamy

This is a 2023 photo of Arizona Diamondbacks relief pitcher Joe Mantiply. This image reflects the Arizona Diamondbacks' active roster as of Wednesday, Feb. 22, 2023, when this image was taken in

Miguel Castro Is a Great Fit for Arizona's League-Worst Bullpen

Miguel Castro of the Arizona Diamondbacks throws a pitch during the News Photo - Getty Images

PHOENIX, AZ - APRIL 11: Arizona Diamondbacks relief pitcher Miguel Castro (50) throws to the plate during a regular season game between the Milwaukee Brewers and Arizona Diamondbacks on April 11, 2023

Arizona Diamondbacks' Miguel Castro during their baseball game against the San Diego Padres Friday, April, 21, 2023, in Phoenix. (AP Photo/Darryl Webb Stock Photo - Alamy

MLB 2023 Opening Day dark horse candidates

Arizona Diamondbacks sign reliever Miguel Castro to 1-year deal

This is a 2023 photo of Arizona Diamondbacks relief pitcher Joe Mantiply. This image reflects the Arizona Diamondbacks' active roster as of Wednesday, Feb. 22, 2023, when this image was taken in