St. Louis right-hander Yeison Medina has been suspended for 50 games without pay after a positive test for the banned stimulant heptaminol under baseball's minor league drug program. Medina turns 22 on Oct. 2. He was 4-1 with a 1.64 ERA in 19 relief appearances this year for the Gulf Coast League Cardinals. Read more http://espn.go.com/minor-league-bas...inor-leaguer-yeison-medina-suspended-50-games