SCOTTSDALE — Arizona Diamondbacks right-hander Merrill Kelly has hit pause on his normal routine after experiencing mid-back tightness. D-Backs manager Torey Lovullo revealed that the pitcher’s live batting practice session was canceled due to tightness and that he will undergo imaging within the next 24 hours. Lovullo described the club’s level of concern as “minimal” … Continue reading D-Backs take safe route with Merrill Kelly’s back issue