[1] Campbell was a teammate of Denny Doyle at both Caverna High School in Horse Cave, Kentucky and Morehead State University.

[3] In the first ever Major League Baseball amateur draft in 1965, Campbell was selected by the New York Mets in the 44th round.

On November 28, 1966, during Major League Baseball's annual rule 5 draft, Campbell was selected from the New York Mets' organization by the Chicago Cubs.

[5] He missed most of spring training with the Cubs due to obligations in the United States Marine Corps, which he was a member of.

With the Bulls, Campbell batted .198 with 26 hits, five doubles, three home runs, 11 RBIs, and three stolen bases in 42 games.

In 38 games with Winter Haven, Campbell batted .165 with 17 hits, three doubles, four home runs, 14 RBIs, and three stolen bases.

In his final professional season, 1968, Campbell played for the Class-A Raleigh-Durham Mets, and the Double-A Memphis Blues.