At the trade deadline, the Giants dealt from their bullpen despite sort of being in a playoff race because the bullpen was so good and so deep that they could make serious subtractions without losing much. Sam Dyson, Mark Melancon, and Drew Pomeranz were all replaced with replacements from Triple-A. The Giants even traded away Ray Black who would have been one of those replacements. If you want to throw Derek Holland in there as well, that’s five roster spots Farhan Zaidi had to fill.
Through the end of July, the Giants had the second-best bullpen in the majors by ERA and the best by FIP.