Marlon Byrd was suspended 50 games by MLB on Monday for violating the league’s performance-enhancing drugs policy. Byrd tested positive for Tamoxifen, which reportedly is used by steroid users to kick-start testosterone production after a cycle. The product, which is commonly used to treat breast cancer patients, reportedly reduces side effects of steroid use.
Byrd, who is a free agent after being released by the Red Sox earlier this month, claims he wasn’t taking the substance to gain an advantage.
“Several years ago, I had surgery for a condition that was private and unrelated to baseball. Last winter, I suffered a recurrence of that condition and I was provided with a medication that resulted in my positive test. Although that medication is on the banned list, I absolutely did not use it for performance enhancement reasons.”
Byrd’s positive test is notable for several reasons. The outfielder became an All-Star in 2010 with the Cubs and credited his work with Victor Conte for his success. Conte is the man who ran BALCO lab which infamously served PED users like Barry Bonds and Marion Jones.
Conte continues to work with athletes but says he does so cleanly. He denied involvement with Byrd’s positive test.