Not graded
Companion’s words (mawquf) Sunan ad-Darimi 2902
حَدَّثَنَا مُحَمَّدُ بْنُ عِيسَى حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ قَالَ سَمِعْتُ مَطَرًا الْوَرَّاقَ يَقُولُ قَالَ عُمَرُ وَعَلِيٌّ الْوَلَاءُ لِلْكُبْرِ
This hadith has no English translation yet: the Arabic text, the reference and the grade are shown here.
Reported by Ad-Darimi (No. 2902).