List of top athletes to play 2 or more sports
The 21 greatest two-sport stars ever
Byron Buxton of the Twins Is 'the Best Player in the World' - The New York Times
Deion Sanders vs. Bo Jackson: Who Was the Better Two-Sport Athlete?
Who are the best two-sport or multi-sport athletes of the 21st century
Two-Sport Athletes - Sports Illustrated
Who Was The Best Two Sport Athlete Ever? — Baseball Positive
Who Was The Best Two Sport Athlete Ever? — Baseball Positive
Why have two-sport professional atheletes like Deion Sanders and Bo Jackson all but disappeared? - Quora
List of top athletes to play 2 or more sports
Who are the best two-sport or multi-sport athletes of the 21st century
Two-Sport Athletes - Sports Illustrated