Previous reports said the plane had flown erratically leading up to the crash, dipping within a few feet of the water before climbing steeply and turning sharply.
His toxicology report, however, also revealed that Halladay's blood-alcohol level was 0.01 and there were traces of amphetamine, morphine, and Zolpidem, which is typically used to treat insomnia.
Halladay spent the final four seasons of his eventual 16-year Hall-of-Fame career with the Phillies.
Phillies pitcher Roy Halladay had morphine in his system when he died in a November plane crash, according to reports..
Halladay pitched for the Blue Jays from 1998-2009, winning the Cy Young award in 2003. Morphine is commonly associated with heroin, but TMZ reports there's no indication Halladay was "using heroin or any other clandestine drug".
Two-time Cy Young Award victor and former Phillies ace Roy Halladay had evidence of morphine, an amphetamine and a sleeping aid in his system when he fatally crashed his plane off Florida's gulf coast in November, according to multiple reports. Halladay's blood tested positive for 72 ng/ml.
Halladay was a two-time victor of the Cy Young Award given to the best pitchers in the league during his 16-year MLB career. He also tossed the second postseason no-hitter in Major League Baseball history in October 2010 against the Cincinnati Reds.