Grissom (undisclosed) has gone 3-for-8 with a double and four walks in his three games since returning from the 7-day injured list at Low-A Augusta on Wednesday.
Grissom was sidelined for about three and a half weeks with his injury. The 20-year-old shortstop is slashing .277/.381/.378 with two home runs and seven stolen bases across 178 plate appearances at Low-A this season.