Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:6983Abū Ḥāzim al-Ḥāfiẓ > Abū Aḥmad al-Ḥāfiẓ > Abū Bakr Muḥammad b. Isḥāq b. Khuzaymah > Muḥammad b. Rāfiʿ > Yazīd b. Hārūn > al-Ḥajjāj b. Arṭāh > ʿUmayr b. Saʿīd > Ṣallayt

[Machine] I prayed behind Ali Ibn Abi Talib at the funeral of Yazid Ibn Mukaffaf, and I made the Takbeer four times and sent one Salutation.  

البيهقي:٦٩٨٣أَخْبَرَنَا أَبُو حَازِمٍ الْحَافِظُ أنبأ أَبُو أَحْمَدَ الْحَافِظُ أنبأ أَبُو بَكْرٍ مُحَمَّدُ بْنُ إِسْحَاقَ بْنِ خُزَيْمَةَ ثنا مُحَمَّدُ بْنُ رَافِعٍ ثنا يَزِيدُ بْنُ هَارُونَ أنبأ الْحَجَّاجُ بْنُ أَرْطَاةَ عَنْ عُمَيْرِ بْنِ سَعِيدٍ قَالَ

صَلَّيْتُ خَلْفَ عَلِيِّ بْنِ أَبِي طَالِبٍ ؓ عَلَى جِنَازَةِ يَزِيدَ بْنِ مُكَفَّفٍ فَكَبَّرَ عَلَيْهِ أَرْبَعًا وَسَلَّمَ وَاحِدَةً