Muwatta Malik · Hadith 1686

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ عَامِرِ بْنِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ، عَنْ أَبِيهِ، أَنَّهُ كَانَ يَشْرَبُ قَائِمًا ‏.‏

Yahya related to me from Malik from Amir ibn Abdullah ibn az- Zubayr that his father used to drink while standing

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).