7:52 AM PT — TMZ Sports has obtained photos of the scene of the crash … and they’re horrifying.
You can see in the pictures, Jackson’s Camaro was overturned next to a tree on the side of the road … and the car was severely mangled.
The rear of the vehicle as well as the front of it appeared to have been heavily damaged in the crash … while debris was scattered all over the road.
7:14 AM PT — According to law enforcement, Jackson’s vehicle hit a tree just before 9 PM on Sunday — causing the car to overturn. It was a single-car accident.
Jackson was rushed to a local hospital where he was ultimately pronounced dead.
He was only 36.
We’re told Jackson was involved in a wreck late Sunday night in Alabama, where he grew up.
Russell Wilson tweeted about his former teammate early Monday morning — saying, “TJack… you will be missed. Praying for your family…Love you man.”
Recently, he had been working as a quarterback coach for the Tennessee State football team.
Jackson was a stud football player in high school — and later played at Arkansas before transferring to Alabama State, where he balled out for 3 seasons.
The Minnesota Vikings selected Jackson in the 2nd round of the 2006 NFL Draft, with head coach Brad Childress calling the QB a “diamond in the rough.”
Jackson spent 4 years in Minnesota before signing with the Seahawks, Bills … and then a 2nd stint with the Seahawks, where he served as Wilson’s backup until 2015.