Zak Herbstreit, walk-on tight end for Ohio State and son of legendary Buckeyes quarterback Kirk Herbstreit, was hospitalized on Tuesday, according to multiple reports.

Zak was in stable condition at a Columbus, Ohio, hospital as of Tuesday afternoon. According to a school spokesperson, the 21-year-old is being monitored and undergoing evaluations.

Kirk Herbstreit expressed gratitude for "everyone's concerns and prayers" in a text message to Columbus news station WSYX-TV.

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Kirk Herbstreit talks to his son

ESPN announcer Kirk Herbstreit (blue coat) talks to his son, Ohio State tight end Zak Herbstreit, prior to the Peach Bowl at Mercedes-Benz Stadium in Atlanta on Dec. 31, 2022. (Adam Cairns/Columbus Dispatch)

Ohio State University officials did not specify the reason Zak was taken to the hospital.

But his father posted a message from Zak to Twitter that said the tight end was under the care of a cardiologist.

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"I have had a bit of a setback these past couple of weeks. Not feeling right. Culminated with tests results this past Friday that forced me into the hospital. I have some of the best cardiologists looking after me, and I am beyond appreciative. We are doing a number of tests and conjuring a plan to ensure that I will be able to be back to feeling normal again. I appreciate the overwhelming support over the past couple of days. I am feeling good and hope to be out of the hospital soon."

Zak Herbstreit walks onto the field

Ohio State's Zak Herbstreit walks onto the field before the game against Penn State at Ohio Stadium on Oct. 30, 2021, in Columbus, Ohio. (Emilee Chinn/Getty Images)

The elder Herbstreit noted that Zak "has a long journey ahead of him."

"My son Zak is in the hospital and wanted me to send this note out. I just wanted to add how much we appreciate so many people reaching out concerned about his well being. He has a long journey ahead of him." Kirk wrote.

Moments later, Herbstreit provided an update on Zak's condition, saying that he was "awake and on his phone from time to time."

Zak has been with the Buckeyes since 2021. He previously played tight end for Montgomery Bell Academy in Nashville, Tennessee. He is a third-generation Ohio State football player, his grandfather, Jim Herbstreit, played running back, and his father started at quarterback from 1989 to 1993.

ESPN College Gameday host Kirk Herbstreit during a 2021 football game

Kirk Herbstreit (Dan Sanger/Icon Sportswire via Getty Images)

Ohio State is coming off an appearance in the College Football Playoff and will enter the upcoming season ranked as the No. 4 team in the country in the preseason coaches poll. The Buckeyes kick off the 2023 season on Sept. 2 against Minnesota.

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Kirk Herbstreit joined ESPN in 1996, where he has served as the lead college football analyst for more than two decades. He is also a five-time Sports Emmy Award winner.