Former NBA All-Star guard Mookie Blaylock was upgraded to serious condition Saturday, a day after his SUV crashed head-on into a van and killed a woman. The accident occurred on Friday. Blalock was initially in critical but stable condition in an Atlanta hospital. According to Clayton County (Ga.) police, the collision a van and an SUV driven by Blaylock, 46, in the Atlanta suburb of Jonesboro. Jonesboro Police Chief Franklin Allen said Blaylock's SUV crossed the center line and burst into flames after making impact with the van. Blaylock was airlifted to Atlanta Medical Center, where he was placed on life support but was taken off that night, police told the Atlanta Journal-Constitution.