This comes from a Keith Law tweet. The 28 year old will add depth to our back stop behind Miggy and Blanco. The Diamondbacks have confirmed the news here and have also announced that with this move, the 40 man roster is now full.

"[He's a] good catch-and-throw guy, and some people that knew him in the Baltimore system said some good things about him," Towers said. "He's good people, and he can hold his own behind the plate."

Craig Tatum's career major league stats and his player card (via Baseball-Reference.com)

299 Plate appearances
.223 batting average
1 HR
22 RBI
.264 SLG
.291 OBP