| Arizona Diamondbacks | Match-up Based | Justin Martinez | A.J. Puk | Kevin Ginkel |
|---|---|---|---|---|
| Atlanta Braves | Mostly Linear | Raisel Iglesias | Pierce Johnson | Aaron Bummer |
| Chicago Cubs | Mostly Linear | Ryan Pressly | Porter Hodge | Ryan Brasier |
| Cincinnati Reds | In Flux | Alexis Díaz | Scott Barlow | Emilio Pagán |
| Colorado Rockies | Closer Competition | Victor Vodnik | Tyler Kinley | Seth Halvorsen |
| Los Angeles Dodgers | Primary Save Share | Tanner Scott | Blake Treinen | Kirby Yates |
| Miami Marlins | Closer Competition | Calvin Faucher | Jesús Tinoco | Anthony Bender |
| Milwaukee Brewers | Mostly Linear | Trevor Megill | Joel Payamps | Abner Uribe |
| New York Mets | Mostly Linear | Edwin Díaz | A.J. Minter | Ryne Stanek |
| Philadelphia Phillies | Primary Save Share | Jordan Romano | José Alvarado | Orion Kerkering |
| Pittsburgh Pirates | In Flux | David Bednar | Dennis Santana | Colin Holderman |
| St. Louis Cardinals | Mostly Linear | Ryan Helsley | JoJo Romero | Phil Maton |
| San Diego Padres | Mostly Linear | Robert Suarez | Jason Adam | Jeremiah Estrada |
| San Francisco Giants | Mostly Linear | Ryan Walker | Camilo Doval | Tyler Rogers |
| Washington Nationals | Mostly Linear | Kyle Finnegan | Jose A. Ferrer | Jorge López |