This article is part of our Spring Training Job Battles series.
All spring training stats updated through March 18.
The Diamondbacks have kept three catchers on the roster the last two seasons and seemed ready to do the same this year. The signing of Adam Jones may lead to the team keeping just two instead, recent reports suggest. Carson Kelly and Alex Avila appear to safe. Kelly, acquired in the Paul Goldschmidt trade, has hit a respectable .286 with an .819 OPS through 11 spring games. Avila's is hitting a respectable .250, well above the awful .165 mark he managed last season, though the team seems likely to keep him around regardless of his spring numbers due to his veteran status and past success. Based purely on spring stats, Caleb Joseph would have the advantage over John Ryan Murphy should the Diamondbacks carry a third catcher. Joseph has an OPS of .857 and two homers in nine spring games, while Murphy has a .125/.263/.188 line in six contests.
New arrival Adam Jones didn't make his spring debut until Tuesday, and time is tight for him getting up to speed by Opening Day. Ketel Marte, who's hit .323 so far this spring, reportedly won't lose any playing time to Jones but will instead rotate through second base, shortstop and center field, taking some at-bats from Jones and some from Wilmer Flores and Nick Ahmed in the middle infield. Steven Souza, who could potentially lose some at-bats to Jones in right field, has hit just .207 but