Wrestling legend Sabu has died, just three weeks after fighting in his retirement rumble ... according to All Elite Wrestling.
The major wresting organization posted about the star's passing ... sharing appreciation for his "unforgettable high-risk moments" and saying he gave everything he had to the wrestling world.
AEW sends its sympathies to his family and friends. The organization did not provide a cause of death.
Sabu -- born Terry Brunk -- kicked off his wrestling career in way back in the mid-1980s when he was in his early 20s .