Gaines died Monday in Lubbock, Tex., after a battle with Alzheimer’s disease,AP Newsreports.

A tweet from the team Gaines previously coached also confirmed the news: “RIP Coach Gary Gaines.

His record from 1986-89 included 47 wins and only six losses, reports AP News.

Friday Night Lights: Kyle Chandler; Gary Gaines; Billy Bob Thornton

‘Friday Night Lights’ coach Gary Gaines — who was played by Kyle Chandler and Billy Bob Thornton on TV and in the film — has died at 73.Paul Drinkwater/NBCU Photo Bank/NBCUniversal via Getty Images; Kevin Buehler/AP/Shutterstock; Everett Collection

DirectorPeter Berglater adapted the nonfiction account into a movie in 2004, withBilly Bob Thorntonportraying Gaines.

“I just can’t find the words to pay respects.

It’s a big loss for the coaching profession.

There are a lot of coaches he took under his wing and mentored.

He had a lot of young coaches.

He was a difference maker like when you are coaching kids, you are trying to make a difference.

I think Coach Gaines did that.”