Shaq's generosity knows no limits -- the NBA legend is donating the $50,000 he was set to make from a DJ'ing gig in Buffalo to the family of one of the shooting victims.
"DJ Diesel" has been making his rounds on tour ... and was naturally reticent about continuing on with his scheduled show in Buffalo in the aftermath of the mass shooting that took place last month, sources tell TMZ Sports.
But, the Hall of Famer and 4X-NBA champ decided to still do the show .