SCOTTSDALE — Arizona Diamondbacks right-hander Merrill Kelly has hit pause on his normal routine after experiencing mid-back tightness.Thank you for reading this post, don’t forget to subscribe! 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. … Continue reading D-Backs take safe route with Merrill Kelly’s back issue