Kunitz, one of five players to win the Stanley Cup three times with the Penguins, has six points (three goals, three assists) in 21 games with the Lightning. Kunitz, who signed a one-year contract with the Lightning as an unrestricted free agent on July 1 after nine seasons in Pittsburgh, has one assist in two games against his former team this season.
Pittsburgh will face Tampa Bay on the second half of a back-to-back for the third time this season. It was outscored 12-5 in the first two.
The Penguins have been outscored 36-12 and are 0-4-2 in the second halves of back-to-backs.
Two of Tampa Bay's four regulation losses have come in its past three games. Pittsburgh has lost three straight in regulation, including two at home.