A four-year-old Knoxville, Tenn. boy with an inoperable brain tumor serenaded Peyton Manning with his favorite song at the Denver Broncos quarterback's charity golf tournament.
The song was Manning's alma mater Tennessee's fight song "Rocky Top."
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The boy, A.J. Cucksey, knew Manning's "favorite song" after the future Hall-of-Famer led the Colorado Symphony Orchestra in a rendition of "Rocky Top" last week.