In the days before his death, Walker had reportedly been “feeling ill,” according to what his colleagues informed investigators after his corpse was found, according to WJACTV.
PEOPLE’s request for comment was not immediately answered by Saint Francis University or the Cambria County Sheriff’s Office.
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The passing of the Buffalo, New York native has prompted a flurry of condolences from friends, relatives, and former teammates and coaches.
The news of Walker’s passing “hurt” Walker’s former high school football coach at Canisius High School in Buffalo, Paul R. Woods Sr., wrote on X (previously Twitter) after learning of his passing