حَدَّثَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا يَحْيَى بْنُ آدَمَ، قَالَ حَدَّثَنَا يَزِيدُ بْنُ عَبْدِ الْعَزِيزِ، عَنِ الأَعْمَشِ، بِإِسْنَادِهِ بِهَذَا الْحَدِيثِ قَالَ مَا كُنْتُ أُرَى بَاطِنَ الْقَدَمَيْنِ إِلاَّ أَحَقَّ بِالْغَسْلِ حَتَّى رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَمْسَحُ عَلَى ظَهْرِ خُفَّيْهِ ‏.‏

This tradition has been transmitted through a different chain of narrators. This version adds

Muhammad ibn Rafi' narrated to us: Yahya ibn Adam narrated to us, saying: Yazid ibn 'Abd al-'Aziz narrated to us, from al-A'mash, with his chain of transmission, this hadith: He said: "I used to think that the bottom of the feet were more deserving of being washed until I saw the Messenger of Allah, peace and blessings be upon him, wiping over the upper part of his leather socks."