From Sahih Muslim (Hadith 5464):
This hadith has been reported on the authority of Shu'ba with the same chain of transmitters and in the hadith transmitted on the authority of Ibn ja'far (the words are):Marwan had made Abu Huraira as his deputy. and in the hadith transmitted on the authority of Ibn Muthanna (the words are). Abu Huraira was the Governor of Medina
Reference: Muslim 5464