Narrated 'Ali bin Abi Talib:
"I never heard the Prophet (ﷺ) mentioning both of his parents being ransomed for anyone except for Sa'd. On the Day of Uhud, I heard him saying: 'Shoot, Sa'd, may my father and mother be ransomed for you." (JA)
English reference (JA): Vol. 1, Book 46, Hadith 3755 (JA)
Arabic reference (JA): Book 49, Hadith 4121 (JA)