"I heard the Messenger of Allah say: "One prayer in my Masjid is better than a thousand prayers anywhere else, except Al-Masjid Al-Haram.'" Abu Abdur-Rahman said: "I do not know of any one who reported this Hadith from Nafi, from Abdullah bin Umar, other than Musa Al-Juhani; he was contradicted by Ibn Juraij and others.
Sunan an-Nasa'i Book 24, Hadith 280