Muwatta Malik 18
موطأ مالك#18Da'ifThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ أَبَا هُرَيْرَةَ، كَانَ يَقُولُ مَنْ أَدْرَكَ الرَّكْعَةَ فَقَدْ أَدْرَكَ السَّجْدَةَ وَمَنْ فَاتَهُ قِرَاءَةُ أُمِّ الْقُرْآنِ فَقَدْ فَاتَهُ خَيْرٌ كَثِيرٌ .
Yahya related to me from Malik that he had heard that Abu Hurayra used to say, "Whoever catches the ruku has caught the sajda and whoever misses the recitation of the umm al-Qur'an has missed much good
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:
In-book reference: 1:18