Former Bills offensive lineman Kyle Calloway died over the weekend, after being struck by a train near his home in Arizona. He was 29-years-old.
The Gazette: Former Hawkeye Kyle Calloway killed by train
Calloway was drafted out of Iowa in the seventh round by the Bills in 2010, but was cut during training camp.
He signed with the Ravens in 2011, but was released before the season began.
According to The Gazette, his family is donating his brain to study the effects of chronic traumatic encephalopathy, or CTE.