The newspaper reported Blaylock was one of two people critically injured in the head-on collision in Clayton County.
Jonesboro police Chief Franklin Allen said Blaylock was driving a Cadillac Escalade on Tara Boulevard when for unknown reasons, he crossed the median and struck another vehicle head-on.
A female passenger in the second car was reported to have suffered internal bleeding.
The newspaper said Blaylock, 46, was on life support and unresponsive at Atlanta Medical Center.
Blaylock played point guard for the Atlanta Hawks from 1992 to 1999 and for the New Jersey Nets from 1989-1992 and the Golden State Warriors from 1999 to 2002). He averaged 13.5 points and 6.7 assists per game for his career.