Which defensive transfers should Anderlecht do this summer?

• Keep Kara, get 2 defenders
  31 (6.39%)
• Keep Kara, get 1 defender
  118 (24.33%)
• Keep Kara, get 0 defenders
  22 (4.54%)
• Let Kara leave, get 2 defenders
  210 (43.30%)
• Let Kara leave, get 1 defender
  89 (18.35%)
• Let Kara leave, get 0 defenders
  15 (3.09%)