• If Bronson Arroyo is forced to begin the season on the disabled list, Bradley, Randall Delgado and Bo Schultz would figure to be candidates to replace him.
Schultz was also impressive on Monday night in following Bradley to the mound.
"Velocity has been pretty consistent over the last year," Towers said of Schultz. "Slider is getting better, cutter is getting better, confidence is getting better. I think he's at a point now where he's probably feeling like he belongs."
• Reliever Brad Ziegler's wife, Kristen, gave birth to a baby boy -- Joshua Bradley -- on Wednesday at 1:04 a.m. MT.
Steve Gilbert is a reporter for MLB.com. Read his blog, Inside the D-backs, and follow him on Twitter @SteveGilbertMLB. This story was not subject to the approval of Major League Baseball or its clubs.