News item from just a few hours ago:
The A’s exercised their 2022 mutual option on the contract of left-handed pitcher Andrew Chafin and declined the option on the contract of left-handed pitcher Jake Diekman. Chafin declined his part of the mutual option and both players are now free agents.
— AthleticsPR (@AthleticsPR) November 4, 2021
Andrew Chafin had by far the best year of his career in 2021. Overall: 1.83 ERA, 0.932 WHIP in 71 appearances covering 68u2154 innings. He walked 19 and struck out 64. His Cubs portion of that, prior to being traded to the Athletics for Greg Deichmann and Daniel Palencia: 2.