What Has Been Related About The Virtue Of Fasting In The Cause Of Allah Jami` at-Tirmidhi 1622

Arabic hadith text
حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا ابْنُ لَهِيعَةَ، عَنْ أَبِي الأَسْوَدِ، عَنْ عُرْوَةَ بْنِ الزُّبَيْرِ، وَسُلَيْمَانَ بْنِ يَسَارٍ، أَنَّهُمَا حَدَّثَاهُ عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏"‏ مَنْ صَامَ يَوْمًا فِي سَبِيلِ اللَّهِ زَحْزَحَهُ اللَّهُ عَنِ النَّارِ سَبْعِينَ خَرِيفًا ‏"‏ ‏.‏ أَحَدُهُمَا يَقُولُ سَبْعِينَ وَالآخَرُ يَقُولُ أَرْبَعِينَ ‏.‏ قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ غَرِيبٌ مِنْ هَذَا الْوَجْهِ ‏.‏ وَأَبُو الأَسْوَدِ اسْمُهُ مُحَمَّدُ بْنُ عَبْدِ الرَّحْمَنِ بْنِ نَوْفَلٍ الأَسَدِيُّ الْمَدَنِيُّ ‏.‏ قَالَ أَبُو عِيسَى وَفِي الْبَابِ عَنْ أَبِي سَعِيدٍ وَأَنَسٍ وَعُقْبَةَ بْنِ عَامِرٍ وَأَبِي أُمَامَةَ
Translation
Narrated Abu Al-Aswad

From 'Urwah [bin Az-Zubair], and Sulaiman bin Yasar, that they reported to him from Abu Hurairah that the Prophet (ﷺ) said: "Whoever fasts a day in the cause of Allah, Allah shall distance him from the Fire by seventy autumns." One of them said "seventy" and the other said: "forty".

[Abu 'Eisa said:] This Hadith is a Gharib Hadith from this route. Abu Al-Aswad's name is Muhammad bin 'Abdur-Rahman bin Nawfal Al-Asadi Al-Madani.

There are narrations on this topic from Abu Sa'eed, Anas, 'Uqbah bin 'Amir, and Abu Umamah