Diego Castillo broke into the majors in 2018 with a very good season. He put up a 3.11 ERA/3.30 FIP/3.38 xFIP in 56.2 innings. His 29.3% strikeout rate set him up to be an important cog for the Tampa Bay Rays bullpen over the next few years, and he was also a versatile one.
Castillo was asked to to get anywhere from 3 to 6 outs and was the second most used opener with 11.
The 2019 Season
In his follow up season, most of Castillo’s peripherals stayed roughly the same:
- His strikeout rate fell 1.