Metcalf is managing an unspecified injury, Nick Farabaugh of PennLive.com reports.
In addition to Metcalf dealing with an injury, fellow WR Michael Pittman is also banged up, per QB Aaron Rodgers. Until added context arrives regarding the issues affecting Metcalf and Pittman surfaces, consider the Steelers' top WR duo day-to-day ahead of Thursday's preseason opener against the Packers.