John Taylor teaches, in a 1879 sermon, that both Moroni and Nephi visited Joseph.
John Taylor, "How a Knowledge of God is Obtained," in Journal of Discourses (Liverpool : Albert Carrington, 1881), 21:161
Afterwards the Angel Moroni came to him and revealed to him the Book of Mormon, with the history of which you are generally familiar, and also with the statements that I am now making pertaining to these things. And then came Nephi, one of the ancient prophets, that had lived upon this continent, who had an interest in the welfare of the people that had lived amongst in those days.