They have 11 blown saves, which is tops in the league. That number is obviously not 1 to 1, as they had two blown saves just yesterday. Looking at win probability added, they're 20th in the league. If you look at FG's Meltdowns statistic, which is basically blown saves without all the arbitrary rules about what is a save opportunity, they're tied for 8th most in the league. On the whole, the pen's been more mediocre than bad. They had the nightmare week to open the season, and they've had a nightmare past ~10 days, and in between they were pretty fantastic. With how gassed the pen is right now though, and with only 1 off day the next few weeks, I'd guess this current bad stretch is going to last a bit longer and drag those numbers down more. I imagine we see two relievers brought in this summer. A brand name closer around the deadline and someone akin to Jesse Chavez (where they think they've found a hidden gem) in the next month or so.