| Closer | 1st in line | 2nd in line | Updated | Closer | 1st in line | 2nd in line | Updated | ||
| BAL | Domínguez | Cano | Pérez | 9/18/24 | ATL | Iglesias | Jiménez | Johnson | 9/18/24 |
| BOS | Jansen | Martin | Slaten | 9/18/24 | MIA | *Tinoco | *Cronin | Bender | 9/18/24 |
| NYY | *Weaver | *Kahnle | Cousins | 9/17/24 | NYM | Ed.Díaz | Maton | Garrett | 9/18/24 |
| TB | *Uceta | *M Rodríguez | *Cleavinger | 9/18/24 | PHI | Estévez | Hoffman | Strahm | 9/18/24 |
| TOR | Green | G Cabrera | Swanson | 9/18/24 | WAS | Finnegan | Law | Ferrer | 9/18/24 |
| CHW | J Anderson | Berroa | Ellard | 9/18/24 | CHC | Hodge | Pearson | Ty Miller | 9/18/24 |
| CLE | Clase | Gaddis | Smith | 9/18/24 | CIN | Al.Díaz | Pagán | Cruz | 9/18/24 |
| DET | *Foley | *Holton | Vest | 9/18/24 | MIL | D. Williams | Tr Megill | Payamps | 9/18/24 |
| KC | Erceg | Schreiber | Bubic | 9/18/24 | PIT | Chapman | D Santana | Bednar | 9/18/24 |
| MIN | Durán | Jax | Sands | 9/18/24 | STL | Helsley | Kittredge | Romero | 9/18/24 |
| HOU | Hader | Abreu | Pressly | 9/18/24 | ARI | Martinez | Puk | Thompson | 9/18/24 |
| LAA | *Quijada | *Strickland | Burke | 9/18/24 | COL | Kinley | Vodnik | Chivilli | 9/18/24 |
| OAK | Miller | Ferguson | Otañez | 9/18/24 | LAD | *Kopech | *Phillips | Treinen | 9/18/24 |
| SEA | Muñoz | Snider | Taylor | 9/18/24 | SD | Suarez | Tan Scott | Adam | 9/18/24 |
| TEX | Yates | Robertson | Leclerc | 9/18/24 | SF | R. Walker | Ty. Rogers | Doval | 9/18/24 |
* = closer-by-committee
