Defenseman Mark Friedman has also been assigned to WBS on a conditioning assignment.
Friedman, 25, has appeared in 12 games for the Penguins this season, recording four assists. The right-handed defenseman has played in 28 career NHL games since his debut in 2018-19, and has recorded two goals, six assists and eight points. Friedman was claimed by Pittsburgh off waivers from the Philadelphia Flyers on Feb. 24, 2021.
The 5-foot-11, 185-pound blueliner has played 186 games for the Lehigh Valley Phantoms of the American Hockey League from 2017-20. In the AHL, Friedman has recorded 10 goals, 51 assists and 61 points.
O'Connor, 23, has split the 2021-22 season between Pittsburgh and WBS. With Pittsburgh, O'Connor has established career highs in games played (20), goals (3), assists (2) and points (5) this season. In five games with WBS, he's picked up five points (3G-2A) while his 1.00 points-per-game average is tops on the team.
The 6-foot-3, 200-pound native of Chatham, New Jersey has played parts of two seasons with Pittsburgh, appearing in 32 career NHL games and accumulating six points (3G-3A). In 25 career AHL games, all with WBS, O'Connor has recorded 10 goals, 14 assists and 24 points.
Zohorna, 25, has played in eight games with Pittsburgh this year, recording one goal, one assist and a plus-5. The forward has also skated in 23 games for WBS this season, recording five goals, five assists and 10 points.
The 6-foot-6, 220-pound forward played his first season in North America in 2020-21 with the Penguins organization, splitting time between Pittsburgh, the WBS Penguins, and Pittsburgh's taxi squad. In 12 career NHL games, Zohorna has tallied three goals, three assists, six points and a plus-8.
The Penguins return to action on Thursday, February 24 against the New Jersey Devils at PPG Paints Arena. Puck drop is set for 7:00 PM ET.