[1] Born and raised in Barstow, California, Feasel graduated from Barstow High School in 1978, then was a standout football player and a first-team All-America center at Abilene Christian University in Abilene, Texas.
Feasel married Cyndy and they had three children: sons Sean and Spencer, and daughter Sarah.
[5] His older brother Greg (b.1958) also played at Abilene Christian and in the NFL and is also the president of the Colorado Rockies of the MLB.
He was diagnosed posthumously with chronic traumatic encephalopathy (CTE), a degenerative brain disease.
[7][5] He was one of at least 345 NFL players to be diagnosed after death with this disease, which is caused by repeated hits to the head.