Pettersson logged an assist in Saturday's 4-3 loss to the Canucks.
Pettersson recorded new personal bests in goals (four), assists (26) and games played (82) this season.
Pettersson scored his fourth goal of the season in Tuesday's 5-2 loss to the Devils.
Pettersson scored a goal on three shots and registered an assist in Thursday's 4-3 overtime loss to Vancouver.
Pettersson notched four assists with one blocked shot and a plus-5 rating in Wednesday's 7-0 win over the Islanders.
Pettersson recorded an assist against the Lightning on Thursday.
Pettersson posted an assist, two PIM and a plus-5 rating in Saturday's 10-2 win over the Sharks.
Pettersson (lower body) will be in the lineup against the Blue Jackets on Thursday, Penguins radio play-by-play announcer Josh Getzoff reports.
Pettersson (lower body) is on track to be a game-time decision for Thursday's regular-season finale versus the Blue Jackets, Wes Crosby of NHL.com reports.
Pettersson (lower body) traveled with the team and skated ahead of Tuesday's matchup with New Jersey. Coach Mike Sullivan told reporters, "The fact that all these guys are on the ice, traveling with us, it just suggests that they're that much closer to returning to the lineup," per Pens Inside Scoop.