Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to pray four rakas behind the imam at Mina, and when he prayed by himself he would pray two rakas.
Muwatta Malik Book 9, Hadith 24
← Previous Hadith Yahya related the same as that to me from Malik from Zayd ibn Aslam from his father from Umar ibn al-Khattab.

Muwatta Malik Book 9, Hadith 23 Next Hadith → Yahya related to me from Malik from Ibn Shihab that Safwan said, "Abdullah ibn Umar used to come and visit Abdullah ibn Safwan and he would pray two rakas with us, and when he went away we would stand and complete the prayer."

Muwatta Malik Book 9, Hadith 25