Hadith 190
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَزِيدَ بْنِ رُومَانَ، أَنَّ نَافِعَ بْنَ جُبَيْرِ بْنِ مُطْعِمٍ، كَانَ يَقْرَأُ خَلْفَ الإِمَامِ فِيمَا لاَ يَجْهَرُ فِيهِ بِالْقِرَاءَةِ . قَالَ مَالِكٌ وَذَلِكَ أَحَبُّ مَا سَمِعْتُ إِلَىَّ فِي ذَلِكَ .
Yahya related to me from Malik from Yazid ibn Ruman that Nafi ibn Jubayr ibn Mutim used to recite behind the imam when hedid not recite aloud . Malik said, "That is the most preferable to me of what I have heard about the matter
Maqtu Sahih (Salim al-Hilali)
Muwatta Malik 190 · Book 3, Hadith 23