Diamondbacks' Merrill Kelly Optimistic About Return From Injury

Veteran pitcher dealing with back issue but expects to join rotation soon

Published on Mar. 2, 2026

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Arizona Diamondbacks starting pitcher Merrill Kelly is dealing with a back injury but is optimistic about returning to the rotation at the start of the season. Kelly received a cortisone and lidocaine shot last week and was able to play catch without issue, raising hopes he can avoid the injured list.

Why it matters

The Diamondbacks are hoping to return to the playoffs this season after missing out the last two years. Having a healthy Merrill Kelly in their rotation will be crucial to their success, as he is a key part of their pitching staff.

The details

Kelly suffered the back injury during spring training and was initially expected to miss Opening Day. However, the treatment he received last week has him feeling optimistic about joining the rotation soon. The Diamondbacks are counting on Kelly to be a steady presence in their rotation alongside veteran Zac Gallen.

  • Kelly received a cortisone and lidocaine shot in his back last week.
  • Kelly played catch without issue on Wednesday.

The players

Merrill Kelly

A veteran starting pitcher for the Arizona Diamondbacks who is dealing with a back injury but expects to join the rotation at the start of the season.

Zac Gallen

A veteran starting pitcher for the Arizona Diamondbacks who will be a key part of their rotation this season.

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What they’re saying

“Merrill Kelly said he received a shot of cortisone and lidocaine in his back last week. He played catch today without problem and is optimistic about being able to pitch at backend of rotation to start the season.”

— Merrill Kelly (MLB.com)

What’s next

The Diamondbacks are playing a spring training game on Sunday against the Cleveland Guardians, where Kelly's progress will be closely watched.

The takeaway

The Diamondbacks are counting on a healthy Merrill Kelly to be a key part of their rotation as they look to return to the playoffs this season. His optimism about a quick return from the back injury is a positive sign for the team.