Northwest Arkansas Naturals Roster & Staff
KC Transactions
| Date | Transaction |
| 05/19/25 | OF Henry Ramos assigned to Columbia Fireflies from ACL Royals. |
| 05/18/25 | C John Lopez assigned to ACL Royals. |
| 05/18/25 | LHP Nate Ackenhausen assigned to Omaha Storm Chasers from Quad Cities River Bandits. |
| 05/18/25 | Kansas City Royals recalled RHP Jonathan Bowlan from Omaha Storm Chasers. |
| 05/18/25 | LHP Nate Ackenhausen assigned to Omaha Storm Chasers from Quad Cities River Bandits. |
| 05/17/25 | SS Colton Becker assigned to Omaha Storm Chasers from Columbia Fireflies. |
| 05/17/25 | RHP Ethan Bosacker assigned to Omaha Storm Chasers from Northwest Arkansas Naturals. |
| 05/17/25 | RHP Mauricio Veliz assigned to Northwest Arkansas Naturals from Quad Cities River Bandits. |
| 05/17/25 | SS Colton Becker assigned to Omaha Storm Chasers from Columbia Fireflies. |
| 05/17/25 | Kansas City Royals recalled LHP Evan Sisk from Omaha Storm Chasers. |
| 05/17/25 | Kansas City Royals recalled LHP Noah Cameron from Omaha Storm Chasers. |
| 05/17/25 | RHP Ethan Bosacker assigned to Omaha Storm Chasers from Northwest Arkansas Naturals. |
| 05/17/25 | RHP Mauricio Veliz assigned to Northwest Arkansas Naturals from Quad Cities River Bandits. |
| 05/17/25 | Kansas City Royals signed free agent C John Lopez to a minor league contract. |
| 05/16/25 | RHP Landon Marceaux retired. |
| 05/15/25 | SS Jordan Groshans assigned to Omaha Storm Chasers from Northwest Arkansas Naturals. |
| 05/15/25 | Omaha Storm Chasers placed 2B Harold Castro on the 7-day injured list retroactive to May 13, 2025. |
| 05/15/25 | SS Jordan Groshans assigned to Omaha Storm Chasers from Northwest Arkansas Naturals. |
| 05/14/25 | LHP Rich Hill assigned to ACL Royals. |
| 05/14/25 | Kansas City Royals signed free agent LHP Rich Hill to a minor league contract. |
| 05/13/25 | LHP David Shields assigned to Columbia Fireflies from ACL Royals. |
| 05/13/25 | Columbia Fireflies released RHP Ismael Michel. |
| 05/13/25 | LHP David Shields assigned to Columbia Fireflies from ACL Royals. |
| 05/13/25 | Omaha Storm Chasers placed LF Joey Wiemer on the 7-day injured list retroactive to May 11, 2025. |
| 05/13/25 | Quad Cities River Bandits activated RHP Andrew Morones from the 7-day injured list. |
| 05/13/25 | Quad Cities River Bandits placed SS Austin Charles on the 7-day injured list retroactive to May 12, 2025. |
| 05/12/25 | RHP Jezler Baules assigned to ACL Royals from DSL Royals Ventura. |
| 05/12/25 | RHP Jesus Oliveira assigned to ACL Royals from DSL Royals Ventura. |
| 05/12/25 | RHP Jezler Baules assigned to ACL Royals from DSL Royals Ventura. |
| 05/12/25 | RHP Jesus Oliveira assigned to ACL Royals from DSL Royals Ventura. |
| 05/12/25 | Omaha Storm Chasers activated RHP Noah Murdock. |
| 05/12/25 | RHP Noah Murdock assigned to Omaha Storm Chasers. |
| 05/08/25 | ACL Royals transferred RHP Coleman Picard from the 7-day injured list to the 60-day injured list. |
| 05/08/25 | RHP Trevor Richards assigned to Omaha Storm Chasers. |
| 05/08/25 | Omaha Storm Chasers activated RHP Trevor Richards. |
| 05/08/25 | Kansas City Royals signed free agent RHP Trevor Richards to a minor league contract. |
| 05/07/25 | RHP Stephen Nogosek assigned to Omaha Storm Chasers. |
| 05/07/25 | Omaha Storm Chasers activated RHP Stephen Nogosek. |
| 05/07/25 | Omaha Storm Chasers placed RHP Anthony Simonelli on the 7-day injured list retroactive to May 5, 2025. |
| 05/07/25 | Omaha Storm Chasers activated RHP Stephen Nogosek. |
| 05/07/25 | Omaha Storm Chasers placed RHP Anthony Simonelli on the full-season injured list. |
| 05/07/25 | Omaha Storm Chasers placed RHP Anthony Simonelli on the full-season injured list. |
| 05/07/25 | Kansas City Royals signed free agent RHP Stephen Nogosek to a minor league contract. |
| 05/07/25 | Kansas City Royals signed free agent SS Juan Garcia to a minor league contract. |
| 05/06/25 | RF Rudy Martin assigned to Northwest Arkansas Naturals. |
| 05/06/25 | Kansas City Royals signed free agent RF Rudy Martin to a minor league contract. |
| 05/06/25 | Kansas City Royals signed free agent RHP Jesus Garcia to a minor league contract. |
| 05/05/25 | Quad Cities River Bandits sent C Blake Mitchell on a rehab assignment to ACL Royals. |
| 05/05/25 | Quad Cities River Bandits sent C Blake Mitchell on a rehab assignment to ACL Royals. |
| 05/05/25 | Quad Cities River Bandits sent C Blake Mitchell on a rehab assignment to ACL Royals. |