Muwatta Malik 519
موطأ مالك#519SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، عَنِ السَّائِبِ بْنِ يَزِيدَ، أَنَّهُ رَأَى عُمَرَ بْنَ الْخَطَّابِ يَضْرِبُ الْمُنْكَدِرَ فِي الصَّلاَةِ بَعْدَ الْعَصْرِ .
Yahya related to me from Malik from Ibn Shihab from as-Sa'ib ibn Yazid that he saw Umar ibn al-Khattab beating al-Munkadir for praying after asr
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Salim al-HilaliMauquf Sahih
In-book reference: 15:50