"My friend found me in a puddle of blood."
Hayden Hurst -- a 2018 1st-round pick -- says his battle with depression and anxiety got so bad ... he blacked out and cut his wrist in an apparent attempt to kill himself in college.
"I woke up in the hospital," the Baltimore Ravens tight end told First Coast News in Florida this week. "I didn't know what happened. I had to have a friend fill me in."
"Apparently, I had been drinking and went into my apartment and cut my wrist.