“And they said, Some say that thou art John the Baptist: some, Elias; and others, Jeremias, or one of the prophets.”
King James Version (KJV)
16:14 Jeremiah, or one of the prophets - There was at that time a current tradition among the Jews, that either Jeremiah, or some other of the ancient prophets would rise again before the Messiah came.
Mt 16:14 Some [say that thou art] John the Baptist. Who had been killed by Herod a few months before. That was one popular notion regarding him, circulating, no doubt, chiefly among those who had never seen him. Herod Antipas entertained it (Mr 14:1). Elijah. It was very generally expected that Elijah was to return to the earth in connection with the Messiah's advent (Mal 4:5). One of the prophets. The Jews believed that at the coming of the Messiah the prophets were to rise again.