Board Thread:General Discussion/@comment-33436465-20180718115006/@comment-28362353-20180718193139

Well, they didn't. Its "Black-Hair" Goku and Vegeta. Goku's meteor attack is the Super Spirit Bomb he used on Namek, as well as kaioken x20 supers, which he didn't have in the Saiyan Saga. So its not specifically Saiyan Saga Goku & Vegeta, just base Goku and Vegeta in general.