I saw Malik bin Huwairith saying Takbir and raising both his hands (on starting the prayers and raising his hands on bowing and also on raising his head after bowing. Malik bin Huwairith said, "Allah's Messenger (ﷺ) did the same."
Reference: Sahih al-Bukhari 737 In-book : Book 10, Hadith 131 USC-MSA web (English) : Vol. 1, Book 12, Hadith 704 (deprecated)
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