The San Diego Padres will be activating left-handed pitcher Yuki Matsui off the injured list on Tuesday, manager Craig Stammen said ahead of Monday's series opener against the San Francisco Giants.

The correspoding move remains to be seen.

Padres manager Craig Stammen says LHP Yuki Matsui will get activated tomorrow.

— Sammy Levitt (@SammyLev) May 5, 2026

Matsui opened the 2026 season on the injured list due to a left groin strain he suffered during spring training. Matsui has spent the last month on a rehab assignment, and officially completed it this week.

With Matsui ineligible to spend another day on the rehab assignment, the Padres needed to make a decision regarding his spot on the team.

Matsui was unable to be optioned to the minor leagues without his consent. Thus, he needed to be added to the active roster or released to waivers, where another team could have picked him up.

The Padres have decided to add him to the roster.…