DENVER -- Seth Bynum, an infielder with Class AAA Syracuse, has been suspended 50 games after testing positive for an amphetamine, a performance-enhancing substance in violation of the Minor League Drug Prevention and Treatment Program.
The suspension takes effect immediately.
Bynum, 29, is hitting .248 with four homers and 17 RBI in 29 games with Syracuse, most of them at second base. He's been with the organization since 2004, when the Montreal Expos signed him as an undrafted free agent. He's a career .267 hitter in seven seasons with the organization.