Narrator

Sa'ib said

2 hadiths
Sunan Abu Dawud #1089Prayer (Kitab Al-Salat)
Sa'ib said: There was no other mu'adhdhin (pronouncer) of the Messenger of Allah (ﷺ) except Bilal. The narrator then reported the tradition to the same effect
Sunan Abu Dawud #1090Prayer (Kitab Al-Salat)
Sa'ib said: There was no other mu'adhdhin of the Messenger of Allah (ﷺ). He then narrated the tradition which is incomplete