Joseph will join his brother in St. Louis who was acquired in an earlier deal on Tuesday after the defensemen signed a one-year $950,000 contract with the Blues. The 25-year-old defenseman had spent the first four seasons of his career in Pittsburgh and had two goals, 11 points and 14 PIMs in 52 games played in 2023-24.

After five seasons in Long Island, Sebastian Aho has signed a two-year, $1.55 million contract ($775,000 AAV) with Pittsburgh. The 28-year-old appeared in 58 games in 2023-24, picking up two goals, nine points and 12 PIMs.

Bemstrom will return to Pittsburgh after a successful first-half season with the Penguins and has signed a one-year extension worth $775,000. The 25-year-old was acquired in a trade from Columbus early on in 2023-24 and had eight goals, 16 points and 12 PIMs in 56 games played between Columbus and Pittsburgh.

Wilkes-Barre/Scranton (AHL) added a depth piece on Tuesday after Pittsburgh signed Nathan Clurman to a one-year contract worth $775,000. The 26-year-old has yet to make an NHL appearance but has spent the last three and a half seasons between Colorado's AHL and ECHL teams.

After six seasons in Los Angeles, Blake Lizotte has joined the Pittsburgh Penguins on a two-year deal worth $3.7 million ($1.85M AAV). The 26-year-old had a down year in 2023-24, with seven goals, 15 points, 20 PIMs and a +11 plus/minus in 62 games played.

Pittsburgh added some grit on Monday by signing 27-year-old Bokondji Imama to a one-year, two-way contract. The 27-year-old appeared in six games with Ottawa in 2023-24, but failed to pick up a point while adding seven PIMs and averaging 5:25 TOI/GP.

Pittsburgh added to their offensive depth on Monday by signing Mac Hollowell to a one-year, two-way contract. The 25-year-old defensemen's last and only NHL appearance came with Toronto in 2022-23, where he had two assists in six games played. He spent the entire 2023-24 season with Hartford (AHL) and had three goals and 44 points in 64 games played.

25-year-old Jimmy Huntington has signed a one-year, two-way contract with Pittsburgh on Monday as he attempts to crack the NHL for the first time in his career. The travelling centre won a Calder Cup with Hershey (AHL) in 2023-24 after putting up 16 goals and 33 points in 67 games played during the regular season.

Shea made his NHL debut in 2023-24 with the Penguins and has earned himself a one-year, contract extension worth $775,000 to stay in Pittsburgh. The 27-year-old has yet to pick up an assist in his 31 NHL games played, but has a goal, six PIMs and a +1 plus/minus.

After eight seasons with Boston, Matt Grzelcyk will join Pittsburgh on a one-year deal worth $2,750,000 AAV. The 30-year-old defensemen appeared in 63 games in 2023-24 and had two goals, 13 points, and 37 PIMs while averaging 17:36 TOI/GP.

Heinen had to wait until a few weeks into the season to sign with Boston off a PTO in 2023-24 and has earned an early contract heading in 2024-25 after signing a two-year deal worth $4.5 million ($2.25M AAV) with Vancouver. The 28-year-old was a natural fit in Boston's lineup last season, with 17 goals and 36 points in 74 games played.

Kolyachonok had a goal and four points in five total games played in 2023-24 with Arizona and signed a two-year contract extension on Monday. The 23-year-old was originally drafted by Florida in 2019 in the 2nd round (52nd overall) and has seven points in 39 total NHL games played across three seasons.

Nedeljkovic had an impressive first season in Pittsburgh, mostly backing up Tristan Jarry all season before leading the Penguins' end-of-the-year playoff push and has earned himself a two-year, $5 million ($2,500,000 AAV) contract extension. The 28-year-old finished 2023-24 with a 18-7-7 record, 2.97 GAA and .902 SV% while appearing in 38 total games.

Kral spent 2023-24 with the Pelicans of Liiga after leaving the Toronto Maple Leafs in 2022-23 but has signed a one-year contract worth $775,000 AAV and will be returning to Pittsburgh. The 24-year-old defenseman had five goals and 37 points in 46 games with the Pelicans and brings two games of NHL experience to Pittsburgh.

Pittsburgh completed its third signing of the day on Tuesday by announcing that they have extended defensemen Jack St. Ivany to a three-year, $2.325 million contract extension ($775,000 AAV). The 2018 fourth-round pick (112th overall) made his NHL debut in 2023-24 and had one assist, 11 SOG and two PIMs in 14 games played.

Pittsburgh announced Wednesday that Matt Nieto is expected to miss the next six to seven months after successfully undergoing knee surgery this week and is not expected to be ready for the start of the 2024-25 season. The 31-year-old left winger appeared in 22 games with Pittsburgh in 2023-24 and had a goal, four points, 13 SOG and a +5 plus/minus in his first season with the Penguins.

Heinen has not played since Game 5 vs. the Maple Leafs and remains day-to-day. Despite not being available for Game 3, Heinen did participate in Friday's morning skate, which suggests that he's not far from returning to the Bruins' lineup.