Nieto (knee) was recalled from his conditioning assignment Thursday.

Nieto (knee) was sent to AHL Wilkes-Barre/Scranton on a conditioning loan Saturday.

Nieto (knee) was a full-contact participant at practice Monday, Matt Vensel of the Pittsburgh Post-Gazette reports.

Nieto (knee) is considered to be month-to-month, per Matt Vensel of the Pittsburgh Post-Gazette on Wednesday.

Nieto underwent reconstructive MCL surgery on his left knee surgery May 2, the team announced Wednesday. He's expected to require six-to-seven months to recover.

Nieto (knee) sustained an undisclosed injury while rehabbing from his knee surgery. The center could find himself heading back under the knife ahead of the 2024-25 campaign, Seth Rorabaugh of Tribune-Review Sports reports.

Nieto (knee) was unable to get back onto the ice for the Penguins this season, missing 60 games total.

Nieto underwent successful laparoscopic surgery Thursday and is expected to miss the next 6-8 weeks.

Nieto (lower body) was moved to long-term injured reserve Tuesday, per CapFriendly.

Nieto (lower body) is still considered out "longer-term" according to coach Mike Sullivan, Penguins play-by-play announcer Josh Getzoff reports Tuesday.