Steelers’ Joey Porter Jr. Uncertain for Week 1 Amid Contract Talks

Joey Porter Jr.’s balky back felt good enough to return to practice for the Pittsburgh Steelers on Tuesday. At the moment, his health appears to be the least of his concerns. The fourth-year cornerback didn’t commit to playing in Pittsburgh’s season opener against Atlanta on Sept. 13 if he and the team can’t come to terms on a new contract. “I don’t know,” Porter said. “I’ve got to talk to (the front office) and my agents about that one.” The 26-year-old is entering the final season of the rookie contract he signed after being selected with the first pick of…