Chicago Cubs' Mark Leiter Jr. throws during a spring training

Cubs notes: Caleb Kilian's struggles, Ryan Jensen's revamped delivery and more - The Athletic

Photos: Chicago Cubs at spring training in Arizona

Chicago Cubs' Mark Leiter Jr. throws during a spring training baseball workout Wednesday, Feb. 15, 2023, in Mesa. (AP Photo/Morry Gash Stock Photo - Alamy

Not Wanting to Talk About That Loss, Steele, Leiter, Bullpen, and Other Cubs Bullets - Bleacher Nation

Report: Cubs sign Mark Leiter Jr. to minor-league deal – NBC Sports Chicago

Who makes it to Chicago on Opening Day? Cubs roster projection 2.0

Cactus League report: Why Lucas Giolito likes the cooler weather in Arizona — and the back-end backbone of the Cubs bullpen, National Sports

Cubs option Alfonso Rivas, DFA Cory Abbott to call up Mark Leiter Jr. vs. Rockies - Chicago Sun-Times

Arizona Diamondbacks: Mark Leiter Jr. back in an MLB camp

Cubs Planning To Select Mark Leiter Jr. - MLB Trade Rumors

Chicago Cubs' Mark Leiter Jr. throws during a spring training baseball workout Wednesday, Feb. 15, 2023, in Mesa. (AP Photo/Morry Gash Stock Photo - Alamy

Chicago Cubs: Reliever Mark Leiter Jr. putting on 'Leit Show

Chicago Cubs' Mark Leiter Jr. throws during a spring training baseball workout Wednesday, Feb. 15, 2023, in Mesa. (AP Photo/Morry Gash Stock Photo - Alamy

Cubs' Stroman thinks MLB pitchers are suffering from short spring