[1] Barnhill, along with Porter Meriwether, led the Evansville Lincoln High School Lions to an undefeated regular season and the city co-championship in 1954–55.

Born in Sturgis, Kentucky, the 6'1" guard was raised in Evansville, Indiana; he attended Tennessee State University, where he won an NAIA championships in 1957, 1958 and 1959.

[3] After his 1st season with the Pipers, he was selected for an American All-Star that toured the Soviet Union; other members of the U.S. State Department-sponsored team included Jerry Lucas, Les Lane, Dan Swartz, Ben Warley, Roger Taylor, Jack Adams, Mike Moran, Jerry Shipp, Gary Thompson, Jim Frances and Tom Meschery.

[4] From 1962 to 1969, Barnhill played in the National Basketball Association as a member of the St. Louis Hawks, Detroit Pistons, Baltimore Bullets, and San Diego Rockets.

[5] Additionally, Barnhill was selected in three separate NBA expansion drafts in three consecutive years, 1966 (Chicago Bulls), 1967 (San Diego Rockets), and 1968 (Phoenix Suns).