The 32-year-old Leake started 10 games for the Diamondbacks after being traded from the Mariners for outfielder Jose Caballero and cash in 2019. Leake went 3-3 with a 4.35 ERA and was expected to be in the Diamondbacks rotation during the 60-game 2020 season.
Diamondbacks pitcher Mike Leake opts out of 2020 season over COVID-19 concerns
