Looking at relief pitchers on the 40-man roster and potential 2023 call-ups. We continue the five-part series on the Diamondbacks bullpen and what can be done to fix it this off-season. Part two will cover the younger relievers, either on the major league roster or in the organization’s minor league affiliates. The focus will be on players who are with the D-backs Double-A and Triple-A affiliates. Current relievers on MLB roster who can compete for a 2023 role Current relievers in minor league system who may contribute Starting pitcher conversion to reliever candidates in the system External trade targets Free…