Paul Mainieri speaks with LSU baseball coach Jay Johnson | LSU

Paul Mainieri is back in the Southeastern Conference. The former LSU baseball coach is on track to become the next head coach at South Carolina, three years after retiring as LSU's coach, according to reports Monday. After accepting the position, Mainieri called his predecessor in Baton Rouge — Jay Johnson — about the news. "He called me yesterday and I just congratulated him," Johnson said Tuesday. "He's earned the right in this time in his life to choose what he …