knows it's hard following in his NBA superstar dad's footsteps ... but says Bronny James is thriving under that same spotlight ... sharing a touching message to LeBron's oldest son.
ICYMI -- LBJ recently revealed he regrets naming Bronny after himself because of all the pressure that comes with it ... admitting it was an overreaction to not having his own father growing up.
Shaq's son reflected on Bronny's journey so far on Thursday ... praising Bronny for dealing with the heat like a pro at just 13 years old.