KNOXVILLE, TN (News Sentinel) -- One fact you might know: Sal Sunseri was a consensus All-American and team captain at the University Pittsburgh during one of the program's most successful eras from 1978-1981.

Something you might not know: Sunseri started as a walk-on and many doubted that he could play Division I football.

Tennessee's first-year defensive coordinator had rarely discussed his playing career until Wednesday, when he brought it up without prompting.

Sunseri has been under fire for a Tennessee defense that is ranked 112th of 120 teams nationally, allowed 721 yards of total offense last week to Troy and seems to get worse as the season goes on.

Read more for our news partners at the Knoxville News Sentinel.