(22) باب فِي كَرَاهِيَةِ الْبُزَاقِ فِي الْمَسْجِدِ
Narrated Wathilah ibn al-Asqa':
AbuSa'id said: I saw Wathilah ibn al-Asqa' in the mosque of Damascus. He spat at the mat and then rubbed it with his foot. He was asked: Why did you do so? He said: Because I saw the Messenger of Allah (ﷺ) doing so.
Reference: Sunan Abi Dawud 484
In-book reference: Book 2, Hadith 94
English translation: Book 2, Hadith 485