 | Assigned LHP Jose Alvarado to Lehigh Valley (IL) on a rehab assignment. |
 | Selected the contract of RHP Vinny Nittoli from Syracuse (IL). Optioned RHP Vinny Nittoli to Syracuse. |
 | Placed RHP Ryan Weber on the 15-day IL. Recalled LHP Nick Ramirez and INF/OF Oswaldo Cabrera from Scranton/Wilke-Barre. Placed OF Greg Allen on the 10-day IL. |
 | Selected the contract of INF/OF Josh Lester from Norfolk (IL). Placed LHP Danny Coulombe on the bereavement list. Transferred RHP Dillon Tate from the 15-day IL to the 60-day IL. |
 | Placed OF/1B Joey Gallo on the 10-day IL, retroactive to June 2. Recalled OF Kyle Garlick from St. Paul (IL). |
 | Transferred RHP Peyton Battenfield from the 15-day IL to the 60-day IL. Selected the contract of RHP Michael Kelly from Columbus (IL). Optioned RHP Hunter Gaddis to Columbus. |
 | Agreed to terms with RHP Samuel Padilla on a minor league contract. |
 | Agreed to terms with RHP Xavier Cruz on a minor league contract. |
 | Selected the contract of LHP Angel Perdomo from Indianapolis (IL). Recalled RHP Yerry De Los Santos from Indianapolis. Designated INF Chris Owings for assignment. Optioned RHP Cody Bolton to Indianapolis. Agreed to terms with LHP Jose Regalado on a minor league contract. |
 | Placed 1B Darin Ruf and OF Tyrone Taylor (retroactive to June 2) on the 10-day IL. Recalled OF Blake Perkins from Nashville (IL). Selected the contract of 1B Jon Singleton from Nashville. |
 | Reinstated RHP Michael Grove from the 15-day IL. Optioned LHP Justin Bruihl to Oklahoma City (PCL). Recalled RHP Tayler Scott from Oklahoma City. Placed RHP Phil Bickford on the 15-day IL. |
 | Reinstated RHP Nick Mears from the 15-day IL and optioned him to Albuquerque (PCL). |
 | Placed OF TJ Friedl on the 10-day IL, retroactive to May 31. Transferred LHP Nick Lodolo from the 15-day IL to the 60-day IL. Selected the contract of OF T.J. Hopkins from Louisville (IL). Assigned 1B Joey Votto and OF Henry Ramos to Louisville on rehab assignments. |
 | Agreed to terms with OF Francis Reynoso and RHP Jeral Vizcaino on minor league contracts. Placed LHP Justin Steele on the 15-day IL, retroactive to June 1. Recalled C Miguel Amaya from Iowa (IL). |
 | Placed RHP Chris Bassitt on the paternity list. Recalled RHP Jay Jackson from Buffalo (IL). Agreed to terms with RHP Al Pesto on a minor league contract. |
 | Reinstated INF/OF Ezequiel Duran from the 10-day IL. Placed INF/OF Brad Miller on the 10-day IL, retroactive to May 31. |
 | Recalled RHP Cooper Criswell from Durham (IL). Optioned RHP Trevor Kelley to Durham. Reinstated RHP Shawn Armstrong from the 60-day IL. Designated LHP Joe La Sorsa for assignment. Activated RHP Robert Stephenson. |
 | Selected the contract of RHP Bryan Woo from Arkansas (TL). Placed LHP Marco Gonzales on the 15-day IL. Transferred RHP Easton McGee from the 15-day IL to the 60-day IL. |
 | Recalled RHP Jose Soriano from Rocket City (SL). Optioned RHP Chase Silseth to Salt Lake (PCL). |
 | Agreed to terms with SS Bryan Encarnacion and RHP Luis Acosta on minor league contracts. Placed RHP Alex Faedo on the 15-day IL. |
 | Agreed to terms with OF Rob Refsnyder on a one-year contract extension through 2024, with a club option for 2025. Agreed to terms with RHP Juan Henriquez on a minor league contract. Appointed LHP Brennan Bernardino as the 27th man for today's doubleheader. |