1, Dragon Ball, Piccolo Jr. Saga

Dragon Ball, Vol. 16: Goku vs. Piccolo by Akira Toriyama

since they're only adding DBZ stuff, I think one of the next DLCs will be adapting the Garlic Jr. filler arc thay happened during the 1 ½ year wait for Goku

dragon ball chronicles piccolo jr. saga 11 by DEMONHERO90 on DeviantArt

LR WWC Goku vs Piccolo Jr. concept! : r/DBZDokkanBattle

Review – Dragon Ball Collection 05 (Piccolo Jr. Saga)

Dragon Ball King Piccolo Arc / Recap - TV Tropes

Piccolo Jr., the King's Return - DB3-021 - UC - Dragon Ball Super Singles » Draft Box 06 - Giant Force - The Deck Box

3, Dragon Ball, Piccolo Jr. Saga, The Reunion! Another Tournament., Dragon Ball Change of Fate, First Half

Piccolo Jr. Saga, Dragon Ball Wiki

Junior No More, Dragon Ball Wiki