There’s no arguing that the D-backs bullpen has been a disaster again this season. After the Toronto series, they had an ERA of 5.42, the 28th-best in the majors. It’s certain to be a focus of Mike Hazen and his team, as we head towards the MLB trade deadline, which this year falls on July 31 at 3 p.m. Arizona time. But getting help here is perhaps the trickiest of areas, because reliever volatility is absolutely and undeniably a thing. So let’s look back at the previous efforts of the team to get bullpen arms around the deadline. How successful were these efforts in bolstering the D-backs’ relief corps?
Upgrading the D-backs bullpen: A historical record
