Waail bin Hajar reported,

He saw the Messenger of Allah ﷺ, and he mentioned the hadith, saying in it that he placed his right hand upon his left.Shuba added on another occasion, "When he was in rukoo, he placed his hands on his knees and held his arms away from his sides during the rukoo."

Ahmad 18878

Sahih

حدثنا أسود بن عامر حدثنا شعبة عن عاصم بن كليب قال سمعت أبي يحدث

عن وائل بن حجر الحضرمي

أنه رأى رسول الله ﷺ فذكره وقال فيه ووضع يده اليمنى على اليسرى قال وزاد فيه شعبة مرة أخرى فلما كان في الركوع وضع يده على ركبتيه وجافى في الركوع

أحمد 18878صحيح
Contents
Reference
Commentary
Ayat
Collection
Musnad Ahmad
Book
Waail bin Hajar
Numbering
Darussalam 18878
Ahmad 18878