An EFL manager is convinced he knows the score when Leeds United face Southampton in the Championship playoff final this weekend. The Whites‘ season is all on one game now, as they take on Saints at Wembley this coming Sunday afternoon. It’s going to be a nervy day for Leeds faithful, particularly given their miserable record in the playoffs – having not won it. Though, after their sensational 4-0 drubbing of Norwich City in the semi-final second leg, confidence is certainly a lot higher than it was. That said, an EFL manager has predicted the score. READ MORE: Leeds United should try to sign …