The Missions, the Padres' Double-A affiliate, also will have their coaching staff participate in the game, guiding the Southern All-Stars.
Infielder/outfielder Dean Anna has been selected as a reserve for the game.
Elsewhere, five members of the Class A Lake Elsinore Storm were named to the California League's midseason All-Star roster: pitchers Donn Roach, Kevin Quackenbush, infielder Cory Spangenberg as well as outfielders Rico Noel and Rymer Liriano.
The Storm also will be represented by coaches David Newhan and Bronswell Patrick and athletic trainer Will Sinon. Roach will start the game on June 19 against the Carolina League All-Stars.
Four members of the Fort Wayne TinCaps have been selected to the Midwest League All-Star team -- catcher Austin Hedges, shortstop Jace Peterson and pitchers Adys Portillo and Frank Garces.