(103) باب الرَّجُلِ يَرْكَعُ دُونَ الصَّفِّ
Abu Bakrah said that he came to the mosque when the prophet (ﷺ) was bowing. So I bowed outside the row (before joining it). The prophet (ﷺ) said; May Allah increase your eagerness! But do not do it again. (RU)
Reference (RU): Sunan Abi Dawud 683 (RU)
In-book reference (RU): Book 2, Hadith 293 (RU)
English translation (RU): Book 2, Hadith 683 (RU)