| Date | Time | Headline |
|---|
| Tue Jul 30 | 13:36 | Mark Leiter Jr. Traded To The Yankees |
| Sat Jul 6 | 16:37 | Julian Merryweather, Mark Leiter Jr. To Be Activated Soon |
| Tue Aug 22 2023 | 00:15 | Mark Leiter Jr. Escapes With Save Monday |
| Sat Jun 3 2023 | 08:27 | Mark Leiter Jr. Registers His Third Save On Friday |
| Wed May 24 2023 | 23:48 | Mark Leiter Jr. Closes Out Mets; New Favorite For Saves? |
| Sat May 6 2023 | 10:32 | Mark Leiter Jr. Grabs The Save Friday |
| Mon May 1 2023 | 22:18 | Mark Leiter Jr. Secures Another Hold |
| Sat Apr 8 2023 | 10:31 | Mark Leiter Jr. Earns A Hold Friday |
| Thu Feb 2 2023 | 13:38 | Mark Leiter Jr. Re-Signs With Cubs |
| Thu Jan 19 2023 | 18:31 | Mark Leiter Jr. Clears Waivers, Outrighted To Minors |