Travis Scott doesn't have to justify his decision to perform at the Super Bowl to anyone -- his only goal should be to put on a hip-hop show for the ages ... so says Yung Joc.
The Atlanta rapper's going to bat for Trav, who's taking some heat from peers -- like Meek Mill -- for opting to join Maroon 5 for the halftime show in February. Meek thinks it's beneath Travis ... plus, it breaks the NFL boycott some celebs are organizing in support of Colin Kaepernick.