Dez Bryant says he's still devastated by the death of ex-NFL star Vincent Jackson -- and wants to do everything in his power to save other NFL players from suffering the same fate.
So, how can Dez help?
The 32-year-old wide receiver tells TMZ Sports he has a plan to become a mentor/life coach for struggling athletes ... with a focus on tending to their mental health.
"Depression and anxiety, all that s**t is real, man," Bryant told us during a recent outing in L.A.
"Look at Vincent Jackson and God rest his soul.