Instead, the Vikings will roll with veteran backup Case Keenum in the Week 2 contest. Minnesota also announced the signing of Kyle Sloter from its practice squad on Saturday. The Vikings waived safety Antone Exum Jr. in a corresponding move.
Vikings coach Mike Zimmer told reporters Friday that he anticipated that Bradford would play.
Keenum completed 196-of-322 passes for 2,201 yards, nine touchdowns, and 11 interceptions in 10 games last season for the Los Angeles Rams. He posted a 4-5 record as a starter.
Pittsburgh allowed the fifth-fewest amount of touchdowns last season to opposing quarterbacks (20).
Bradford, 29, was coming off a great performance in Week 1 against the New Orleans Saints. He completed 27-of-32 passes for 346 yards, three touchdowns and zero interceptions in the Monday Night Football victory. He posted a 143.0 quarterback rating in the win.
Minnesota hosts the Tampa Bay Buccaneers at 1 p.m. in Week 3 at U.S. Bank Stadium.
Sam Bradford is grateful to have continuity with his coordinator heading into the 2017 season.
— Minnesota Vikings (@Vikings) September 7, 2017
Rodney Adams, Tramaine Brock, Sr., Danny Isidora, Aviante Collins, Tashawn Bower and Jaleel Johnson are also inactive Sunday for the Vikings.