 Pari gbolohun yii: Ni ọdun 2020, Hagel ṣalaye atilẹyin fun Jens Spahn gẹgẹbi alaga CDU ti n bọ. Níwájú àwọn : 2021 Christian Democratic Union of Germany leadership election, o fọwọsi Friedrich Merz lati ṣe aṣeyọri Annegret Kramp-Karrenbauer bi alaga ẹgbẹ naa. 