All ten of the AFL teams, and three NFL teams, became members of the new AFC, with the remaining thirteen NFL teams forming the NFC.
ˈɔːl tˈɛn ʌvðɪ ˌeɪˌɛfˈɛl tˈiːmz, ænd θɹˈiː ˌɛnˌɛfˈɛl tˈiːmz, bɪkˌeɪm mˈɛmbɚz ʌvðə nˈuː ˌeɪˌɛfsˈiː, wɪððə ɹᵻmˈeɪnɪŋ θˈɜːtiːn ˌɛnˌɛfˈɛl tˈiːmz fˈɔːɹmɪŋ ðɪ ˌɛnˌɛfsˈiː.