The Ball boys are back out in Lithuania for their 3rd pro game with Vytautas -- and LaMelo's already putting on a show.
This time, they're playing BC Liettuvos Rytas -- and at halftime, 16-year-old Melo already racked up 13 points and 3 rebounds.
His 19-year-old big bro LiAngelo has 9 points.
Not bad after being held scoreless in their 2nd pro game (which went down over the weekend).
Melo is hitting trick shots -- and even sank a buzzer beater in the 1st half.
