Migliaccio started his career at Savoia. He debuted as a professional during the 1998–99 season, playing in the Serie C championship, and making a total of 8 appearances. The following year he went on loan to Serie D club Puteolana. After an excellent season, his performances drew the attention of league leaders Bari, who bought Migliaccio ahead of the 2000–01 Serie A season. However, he never appeared for the club. The following year he was transferred to Giugliano in Serie C2.