ISB ~ Acts 28 v13

Puteoli:The major commercial seaport of western Italy. The presence of Christian brethren here (28:14) and in Rome (28:15) confirms what Paul himself says elsewhere—that long before his arrival, the Romans had already embraced the faith and were admired the world over for it (Rom 1:8). Though no one knows for certain how and when Christianity first came to Italy, it is possible that Jewish converts from Rome (2:10) carried the gospel back with them after Peter evangelized the Pentecost pilgrims in Jerusalem years earlier (2:1-41). Tradition also puts Peter in Rome nearly two decades before Paul first set foot in the city. See note on Acts 12:17.