One member of the Arizona Diamondbacks will make his professional debut Wednesday while another will make his long-awaited return to the field.

The team announced Tuesday on Twitter that first-round pick Touki Toussaint will make his pro debut with the Arizona League D-backs at Salt River Fields at 7 p.m., while outfielder Mark Trumbo will also join on a rehab stint in the rookie league. Both parking and admission is free.

Mark Trumbo will begin a rehab assignment with the rookie-level Arizona League #Dbacks tonight at @SaltRiverFields. (1/3)

— Arizona Diamondbacks (@Dbacks) July 2, 2014

First-round pick Touki Toussaint will make his pro debut for the Arizona League #Dbacks tomorrow night at @SaltRiverFields. (2/3)

— Arizona Diamondbacks (@Dbacks) July 2, 2014

Both Arizona League #Dbacks games start at 7PM. Parking and admission is free. (3/3)

— Arizona Diamondbacks (@Dbacks) July 2, 2014

Trumbo is working his way back from a stress fracture in his left foot that occurred in late April.

The team made Toussaint the No. 16 overall pick in the 2014 Major League First-Year Player Draft out of Coral Springs Christian Academy in Coral Springs, Florida.