The Houston Astros not only had the best rotation in baseball last year. they had the best bullpen too. The lowest ERA, the lowest FIP, xFIP, SIERA, the best WHIP. They had the sweetest DOOWOP, coolest BEBOP, the highest R-E-S-P-E-C-T factor, you name it.
OK, the first five were really true.
Will the Stros’ pen repeat as World’s finest in 2019? Let’s look.
The 2018 Bullpen
Here’s the group that started the 2018 season:
Hector Rondon ERA 3.20, 1.3 fWAR
Chris Devenski ERA 3.97, 0.0 fWAR
Will Harris ERA 3.