OFFICE OF THE COMMISSIONER OF BASEBALL — Suspended St. Louis minor league RHP Perry DellaValle (Palm Beach-FSL) 50 games following a second positive test for a drug of abuse and free agent minor league LHP Ricardo Frias 72 games after testing positive for Stanozolol, a performance-enhancing substance; both violations of the Minor League Drug Prevention and Treatment Program.
HOUSTON ASTROS — Activated SS Carlos Correa from the 10-day IL. Designated OF Tony Kemp for assignment.
NEW YORK YANKEES — Otioned LHP Stephen Tarpley to Scranton/Wilkes-Barre (IL). Reinstated OF Cameron Maybin from the 10-day IL.
CHICAGO CUBS — Recalled INF-OF Ian Happ from Iowa (PCL). Acquired LHP Derek Holland from San Francisco for a player to be named. Designated LHP Tim Collins for assignment.
CINCINNATI REDS — Reinstated C Tucker Barnhart from the 10-day IL. Placed C Juan Graterol on the 7-day concussion list, retroactive to July 25.