By Daniel Bates The Pittsburgh Steelers are reportedly close to hiring their next defensive coordinator. According to Steelers reporter Gerry Dulac, “Steelers expected to finalize deal with Teryl Austin today or Monday to make him their new defensive coordinator, replacing Keith Butler.” Keith Butler is retiring after seven seasons coordinating the Steelers defense. The 65-year-old took over for legendary DC Dick LeBeau back in 2015 after 12 seasons as a linebackers coach. Now the Teryl Austin era begins. Austin came to Pittsburgh in 2019 as a senior defensive assistant and secondary coach. Pr…