Apart from it only being an early pre season friendly for match fitness you only need to look at the teams in each half.
1st half - Saints Lost 3-0 and only had 4 likely starters in a Saints XI come August 7th - Davis, Harding or Dickson, Puncheon, Fonte
2nd half - Saints Won 2-1 and had 7 likely starters in a Saints XI come August 7th - Harding or Dickson, Puncheon, Hammond, Schneiderlin, Lambert, Fonte, Connolly