Harkins failed to score a goal in 45 games with the Penguins this year, registering just four helpers.
Harkins (hand) has been taken off injured reserve ahead of Monday's clash with Nashville, per the NHL media site.
Harkins (hand) is an option to face Nashville on Monday, Penguins play-by-play announcer Josh Getzoff reports.
Harkins (hand) will join AHL Wilkes-Barre/Scranton for a conditioning assignment, Seth Rorabaugh of Tribune-Review Sports reports.
Harkins (hand) has been cleared for contact and participated in practice Friday, Matt Vensel of the Pittsburgh Post-Gazette reports.
Harkins (hand) was placed on long-term injured reserve Saturday, according to CapFriendly.
Harkins broke his hand in a fight with Washington's Beck Malenstyn on Thursday and underwent surgery Friday, Wes Crosby of NHL.com reports.
Harkins (undisclosed) was put on injured reserve Friday, according to Seth Rorabaugh of Tribune-Review Sports.
Harkins (upper body) is good to play Thursday versus Washington.
Harkins (upper body) will be a game-time decision heading into Thursday's clash with Washington, Penguins play-by-play announcer Josh Getzoff reports.