George Anthony Visger is a former NFL defensive tackle who played for the San Francisco 49ers. A standout at the University of Colorado, he brought strength and resilience to the field. Selected for his powerful defensive play, Visger contributed to the 49ers' defensive unit with his tenacity and skill. After his football career, he became an advocate for brain injury awareness, drawing from his own experiences with concussions in the NFL. His dedication to player safety and education has made him a respected voice in sports health. Visger’s impact extends beyond the field, shaping discussions on athlete well-being.