Pitlick was placed on waivers by the Blackhawks on Wednesday, Chris Johnston of The Athletic reports.
Chicago acquired Pitlick from Pittsburgh on Saturday in exchange for a conditional 2026 seventh-round draft pick.
Pitlick was placed on waivers by the Penguins on Thursday, per CapFriendly.
Pitlick was acquired by Pittsburgh on Sunday as part of a three-team trade with San Jose and Montreal.
Pitlick scored a power-play goal and had two shots on net over 15:21 of ice time in Thursday's 9-5 loss to Florida,
Pitlick (undisclosed) will play Tuesday versus Pittsburgh, Patrick Friolet of RDS reports.
Pitlick had an assist over 14:18 of ice time in Saturday's 3-1 loss to New Jersey.
Pitlick had an assist, one shot on goal, one hit and two penalty minutes over 11:32 of ice time in Thursday's 4-3 shootout loss to the Rangers.
Pitlick registered an assist, two shots on goal and two hits in Tuesday's 3-1 win over the Sharks.
Pitlick scored a goal on two shots and had two hits over 12:40 of ice time in Tuesday's 5-2 win over New Jersey.