Throughout history, professional athletes have been punished by teams, leagues and the law for cannabis consumption. Several high-profile examples are listed below, showcasing just how serious such actions were viewed within the world of professional sports.
2004: Running back Ricky Williams is suspended from the National Football League for 4 games after testing positive for marijuana. He subsequently retired from the NFL due to their cannabis policy (before later returning) and was later suspended in 2006 for a full year, after testing positive once again.
2009: Olympic gold medalist Michael Phelps is suspended from competition for three months after a picture goes viral that shows Phelps smoking (allegedly marijuana) out of a bong.
2015: Jon Singleton, at the time a top prospect for the Houston Astros of Major League Baseball, was demoted and suspended for 100 games after testing positive for marijuana three times.
2017 & 2018: Notable UFC fighters like Cynthia Calvillo, Nick Diaz, Niko Price, Curtis Blaydes, and Abel Trujillo were all suspended after…