Arizona Diamondbacks starting pitcher Luke Weaver (elbow) was diagnosed with a mild right flexor pronator strain and mild right UCL sprain in his right elbow, but he will not need surgery. However, he's still likely to be out for an extended period of time while treating the injury conservatively through rest and rehab. Arizona isn't giving a timetable for his return, but the speculation is that Weaver could take anywhere from six to eight weeks to heal. [...]