According to the NY Daily News
James will go back to wearing jersey No. 23 in his return to Cleveland.
“23 it is! It’s only right I go back. 23(equals)6 We still family 6.”
The tweet included an Instagram post with photos of James holding his No. 23 Cavaliers jersey on draft night, him later in a new version of the Cavs’ jersey and a one of him in his high school jersey.