in the distance you see two figures... One is wearing Saiyan armor and has long, black,spiky hair and the other has a green and white GI with spiky hair... He looks like Goku... But.. Something is off about him.

Kakarot: Come on Raditz! let's train some more! Turles is still out there!

Raditz: Yeah Yeah kakar- he Senses you who's there!?

Kakarot: hm? What's wrong raditz? He then sense what raditz sense