Pitlick was summoned from AHL Iowa on Saturday, Michael Russo of The Athletic reports.
Pitlick had eight goals and three assists in 12 AHL games before his recall. The 34-year-old center has a pair of goals in 31 NHL games with Minnesota this season. Joel Eriksson Ek (face) isn't expected to play against the Blues on Sunday after receiving a high stick near his eye in Friday's 5-2 loss to Utah.