Kris Bryant has returned to the Colorado Rockies‘ disabled list due to a strained back.

A lower-back injury has landed the outfielder on the 10-day injured list, the Rockies announced on Wednesday.

Back trouble had kept him out for 21 games until his comeback from the disabled list this past Saturday.

Kris Bryant ruled out with back injury

He appeared in two games against the New York Mets, but it was the last time he played.

Unavailable for 21 games, he returned to the field on Saturday after being on the injured list. After two appearances against the New York Mets, he hasn’t returned to the field.