Ouachita Baptist football player Clark Yarbrough dies at 21

Ouachita Baptist University in Arkansas announced

 the passing of senior defensive lineman Clark Yarbrough,

 21, who collapsed Sunday morning.

The cause of Yarbrough's death is unknown.

The 6-foot-1, 280-pound Yarbrough

All-Great American Conference

 honorable mention selection in 2021 after playing in all 11 games