Pittsburgh has been the sole organization so far for the 29-year-old Diaz, who has never demonstrated much offensive prowess at the major league level. Since debuting in 2015, Diaz has batted a meager .250/.301/.355 with 13 home runs in 815 plate appearances. He has accounted for an ugly minus-1.0 fWAR in that span, and is coming off a defensive season in which he ranked dead last in Baseball Prospectus’ Fielding Runs Above Average metric.
All things considered, it’s no surprise the Pirates and new general manager Ben Cherington are moving on from Diaz. They’d have owed him a projected $1.4MM in 2020. However, now that Diaz is out of the mix, the catcher-deficient Pirates are that much thinner behind the plate. Jacob Stallings is the lone catcher on their 40-man roster.