The depressing news was also confirmed by NASCAR.com. Brad Keselowski, a fellow former NASCAR racer, stated on X that he is “glad he is no longer suffering.” It is unclear how he passed away.
During his illustrious career, Annett made 321 starts after making his Xfinity Series debut in 2008 and becoming full-time in 2009.
I remember this day vividly. Michael was an up and comer at the same time I was and he was looking really good. In the end, Life took us different paths and all of us who knew him and the talent he had are sad to see him go, but glad he is no longer suffering. #RipMichael https://t.co/2imAJrMFM9
— Brad Keselowski (@keselowski) December 6, 2025
He drove for Turner Scott Motorsports from 2014 to 2016 in the NASCAR Cup Series, the highest racing level in the sport, because to his abilities..
He was sidelined for part of the 2021 season due to a stress fracture, which would end up being his last season.
Michael was 39.

