Normally, this isn't an Alley type of topic, but with as closely as his death has been part of the UF Athletics storyline in the last year, this is topical.
https://www.rollingstone.com/music/news/tom-pettys-cause-of-death-accidental-overdose-w515472
https://www.rollingstone.com/music/news/tom-pettys-cause-of-death-accidental-overdose-w515472