Merrill Kelly’s Pending Return Forces Diamondbacks Into Brutal Roster Moves

The Arizona Diamondbacks are heating up after taking 2 of 3 from the Philadelphia Phillies, improving to 9–7 on the season, but a major roster decision looms. With Merrill Kelly set to return to the rotation Tuesday against the Baltimore Orioles, tough calls are coming. We break down why both Brandon Pfaadt and Ryne Nelson could be at risk of losing their spots, and how this “problem” might actually be a huge strength for Arizona moving forward.

Plus, is the bullpen finally legit? We dive into the numbers and answer your Mailbag Monday questions.

Diamondbacks Have Difficult Rotation Decision Looming