Lets get this out of the way: the Braves bullpen has not been good this year. The guys that were expected to shoulder the high leverage situations have been largely uneven and/or dinged up at best and the inning eater types have let winnable games become very unwinnable very quickly. You will not find anyone making any other case here.
However, there is a case for optimism with Chris Martin back in the fold and presumably healthy and with Shane Greene set to join the bullpen after a few appearances in Gwinnett. That said, it appears that the Braves are still looking for potential depth options at reliever.