Sahih Muslim 907 b
This hadith has been narrated on the authority of Zaid b. Aslam with the same chain of transmitters except with this difference that he (the narrator said):
" then we saw you keeping aloof (back)."
وَحَدَّثَنَاهُ مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا إِسْحَاقُ، - يَعْنِي ابْنَ عِيسَى - أَخْبَرَنَا مَالِكٌ، عَنْ زَيْدِ بْنِ أَسْلَمَ، فِي هَذَا الإِسْنَادِ بِمِثْلِهِ غَيْرَ أَنَّهُ قَالَ ثُمَّ رَأَيْنَاكَ تَكَعْكَعْتَ ‏.‏