The Arizona Diamondbacks made the following roster moves:

Recalled LHP Caleb Smith from Triple-A Reno.

Selected RHP Keynan Middleton (No. 99) from Triple-A Reno. MLB Bio

Placed RHP Mark Melancon on the injured list.

Optioned LHP Tyler Holton to Triple-A Reno following last night’s game and will remain with the team on the Taxi Squad.

The D-backs’ 40-man roster is at 39.