‏الصلاة : Hadeeth No:1417 Abu Sa'id al-Khudri reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When there are three persons, one of them should lead them. The one among them most worthy to act as Imam is one who is best versed in the Qur'an....

‏الصلاة : Hadeeth No:1237 Abu Zubair reported: I heard Abdullah b. Zubair addressing (people) on the pulpit and saying: When the Messenger of Allaah (sallAllaahu alayhi wa sallam) pronounced salutation at the end of the prayer or prayers, and then he made a mention of the hadith as transmitted by Hisham b. 'Urwa....