Houston Astros pitcher Francis Martes has been suspended for the 2020 season following his second positive test for a performance-enhancing substance under baseball's major league drug program.
Martes tested positive for Boldenone, the commissioner's office said on Tuesday. Boldenone is sold under the brand name Equipose and is an anebolic steroid most commonly used on horses.
A 24-year-old right-hander, Martes is on the Astros' 40-man major league roster but hasn't pitched in the big leagues since 2017.
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He was suspended last March for 80 games following a positive test for Clomiphene, a women's fertility drug that has been used by some athletes to counter the side effects of steroid use.