Former Tennessee football coach and athletic director Phillip Fulmer is in the hospital after undergoing an unknown medical procedure on Thursday, Fulmer’s family said in a statement.

"Phillip underwent a medical procedure Thursday at UT Medical Center," the statement said, according to the Knoxville News Sentinel. "He is alert and in good spirits and will remain at the hospital for a few days. We are thankful for the outstanding care he’s receiving, and we also appreciate the prayers and concern of so many who have reached out."

Phillip Fulmer before a game against Vanderbilt

Former head coach Phillip Fulmer of the Tennessee Volunteers walks the sideline prior to a 38-13 Vanderbilt victory over the University of Tennessee at Vanderbilt Stadium on November 24, 2018, in Nashville, Tennessee. (Frederick Breedon/Getty Images)

"He is looking forward to cheering on the Vols as they kick off another exciting season!"

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Fulmer, 72, is one of the more well-known Volunteers, coaching Tennessee for 17 seasons.

From 1992 to 2008, Fulmer led Tennessee to 15 bowl games, winning the 1998 national championship. Fulmer went 151-52-1 in 17 seasons at Tennessee.

Fulmer served as Tennessee's athletic director from 2017 to 2021.

Phillip Fulmer celebrates a win

Director of Athletics Phillip Fulmer of the Tennessee Volunteers celebrates with defensive lineman Kyle Phillips after defeating the Auburn Tigers at Jordan-Hare Stadium on October 13, 2018, in Auburn, Alabama. (Michael Chang/Getty Images)

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He was elected to the College Football Hall of Fame in 2012 and was also the co-captain of the 1971 Tennessee football team. 

The No. 12 ranked Tennessee football team is preparing to kick off its 2023 season on Sept. 2 against Virginia in Nashville, Tennessee.

The Vols are coming off their most successful season since 2001, winning 11 games for the first time in two decades.

Phillip Fulmer watches a Tennessee bowl game in 2020

Former University of Tennessee Volunteers coach Phillip Fulmer watches during the TaxSlayer Gator Bowl against the Indiana University Hoosiers on January 2, 2020, at TIAA Bank Field in Jacksonville, Florida. (Aaron Gilbert/Icon Sportswire via Getty Images)

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In Josh Heupel’s second season as head coach in Knoxville, the Volunteers went 11-2 and ended a 15-game losing streak to Nick Saban and the Alabama Crimson Tide.

Following the win, Tennessee was voted No. 1 in the College Football Playoff poll, the first time the Vols were ranked No. 1 since the 1998 championship season.