Evan Longoria
On December 20, 2017, the Giants traded Krook, Christian Arroyo, Denard Span, and Stephen Woods to the Tampa Bay Rays for Evan Longoria and cash considerations. Krook spent the 2018 season with the Montgomery Biscuits, pitching to a 4–2 record with a 4.26 ERA in 37 games (six starts). He returned to Montgomery to begin 2019.