Board Thread:Boruto Discussions/@comment-25319479-20171208053034/@comment-734582-20171209135546

Sarutobii2 wrote: If the 3rd Ootsutsuki was connected to Kawaki, he would of been introduced in the Versus Momoshiki Arc in the manga. Considering Kawaki himself isn't even in the main story, i doubt it. They could always reveal such things at a later point.