Relf or Russell? Russell or Relf? That’s Mississippi State’s most intriguing spring question. Relf is the better runner, Russell the better passer. Both figure to be improved after a year of direction under Mullen. Improved quarterback play is the first step in Mississippi State becoming a factor in the SEC West. Finding a running back to replace Dixon’s productivity is the second. Third would be bolstering a defense that allowed at least 30 points in six games last season. McPhee, Wright and a developing young secondary form a foundation, but plenty of holes must be filled.