Grilli (back) was given one more day of rest against the Reds on Monday by manager Fredi Gonzalez, David O'Brien of the Atlanta Journal Constitution reports. Grilli was originally listed as available by Gonzalez for Monday's game but the manager decided to err on the side of caution to prevent further injury. The reliever will likely be available out of the bullpen Tuesday, although Gonzalez will dictate whether or not that actually means he takes the mound. Either way, it doesn't seem that Grilli's back spasms will affect his long-term viability.