modding need help in undertaker's mod

[Ahmed24]

hey guys 1st of all i know 2k15 is old but i prefer to play it, now i downloaded a lot of undertaker's mod and every time i replace the pac file and open the game undertaker's appearance never changes nothing changes cuz i downloaded undertaker's mod with hair actually his clothes too has changed to can someone help me please and tell me the right way to change undertake's appearance in the game?? thanks and sorry for my bad english