Abdullah saw a man praying with his feet placed together in a single line. He said, "He has gone against the Sunnah. Had he alternated his weight between them, it would have been better."
أخبرنا عمرو بن علي قال حدثنا يحيى عن سفيان بن سعيد الثوري عن ميسرة عن المنهال بن عمرو
أن عبد الله رأى رجلا يصلي قد صف بين قدميه فقال خالف السنة ولو راوح بينهما كان أفضل
[Its chain of transmission is daif]. It appears in Kubra, hadith no. 966. Abu Ubayda did not hear from his father, as mentioned previously, hadith no. 623. See also the following hadith.