Hadith 1228:5
Waki’ narrated to us, Sufyan narrated to us, from Makhul ibn Rashid, from a man, from Abu Rafi’, who said: "The Messenger of Allah (peace and blessings of Allah be upon him) forbade that a man should pray while his hair is tied up."
حدثنا وكيع، حدثنا سفيان، عن مخول بن راشد، عن رجل، عن أبي رافع قال: " نهى رسول الله صلى الله عليه وسلم أن يصلي الرجل وشعره معقوص "