| Closer | 1st in line | 2nd in line | Updated | Closer | 1st in line | 2nd in line | Updated | ||
| BAL | Givens | Bleier | Fry | 2/18/19 | ATL | Vizcaino | Minter | Sobotka | 2/21/19 |
| BOS | Barnes | Brasier | Hembree | 3/21/19 | MIA | *Steckenrider | Romo | Conley | 2/21/19 |
| NYY | Chapman | Britton | Ottavino | 2/18/19 | NYM | Diaz | Familia | Wilson | 2/21/19 |
| TB | Alvarado | Roe | Castillo | 3/21/19 | PHI | Robertson | Dominguez | Neris | 2/21/19 |
| TOR | Giles | Norris | Biagini | 3/21/19 | WAS | Doolittle | Rosenthal | Barraclough | 2/21/19 |
| CHW | Colome | Jones | Herrera | 2/18/19 | CHC | *Strop | Cishek | Edwards | 2/21/19 |
| CLE | Hand | Cimber | Edwards | 2/18/19 | CIN | Iglesias | Hughes | Hernandez | 2/21/19 |
| DET | Greene | Jimenez | Farmer | 2/18/19 | MIL | *Knebel | Hader | Jeffress | 2/21/19 |
| KC | *Boxberger | Peralta | Diekman | 3/21/19 | PIT | Vazquez | Kela | Crick | 2/21/19 |
| MIN | *May | Parker | Hildenberger | 3/21/19 | STL | *Hicks | Miller | Hudson | 2/21/19 |
| HOU | Osuna | Rondon | Pressly | 3/21/19 | ARI | Bradley | Holland | Hirano | 2/21/19 |
| LAA | Allen | Robles | Buttrey | 2/18/19 | COL | Davis | Oberg | Oh | 2/21/19 |
| OAK | Treinen | Soria | Rodney | 2/18/19 | LAD | Jansen | Kelly | Baez | 2/21/19 |
| SEA | Strickland | Gearrin | Rosscup | 3/21/19 | SD | Yates | Stammen | Maton | 2/21/19 |
| TEX | Leclerc | Martin | Chavez | 2/18/19 | SF | Melancon | Smith | Dyson | 2/21/19 |
* = closer-by-committee
