| Batters - 19 | ||
|---|---|---|
| Pos | Player | Age |
| 1B | Joey Votto | 37 |
| 2B | Mike Moustakas | 32 |
| C | Tucker Barnhart | 29 |
| 3B | Eugenio Suarez | 29 |
| CF | Shogo Akiyama | 32 |
| SS | Freddy Galvis | 30 |
| C | Curt Casali | 31 |
| 3B | Nick Senzel | 25 |
| 2B | Josh VanMeter (AAA) | 25 |
| RF | Nick Castellanos | 28 |
| LF | Derek Dietrich | 31 |
| C | Tyler Stephenson (AA) | 24 |
| 2B | Alex Blandino (AAA) | 27 |
| C | Kyle Farmer (AAA) | 30 |
| RF | Aristides Aquino | 26 |
| CF | Travis Jankowski (AAA) | 29 |
| LF | Phillip Ervin | 28 |
| LF | Scott Schebler (AAA) | 29 |
| SS | Tim Beckham | 30 |
| Pitchers - 19 | ||
|---|---|---|
| Pos | Player | Age |
| SP | Sonny Gray | 30 |
| RP | Pedro Strop | 35 |
| SP | Wade Miley | 33 |
| SP | Cal Quantrill | 25 |
| RP | Robert Stephenson | 27 |
| RP | Anthony DeSclafani | 30 |
| RP | Amir Garrett | 28 |
| RP | Michael Lorenzen | 28 |
| CL | Cody Reed | 27 |
| SP | Tyler Mahle | 25 |
| RP | Raisel Iglesias | 30 |
| SP | Luis Castillo | 27 |
| SP | Johnny Cueto | 34 |
| RP | Nate Jones | 34 |
| SP | Jose De Leon (AAA) | 28 |
| CL | Matt Bowman (AAA) | 29 |
| RP | Joel Kuhnel | 25 |
| SP | Lucas Sims (AAA) | 26 |
| RP | Justin Shafer (AA) | 28 |