Reds Minor League third baseman Robert Ramirez has been suspended 50 games for violating the Minor League Drug Prevention and Treatment Program.

Ramirez, 21, tested positive for metabolites of Nandrolone, a performance-enhancing substance. His suspension begins at the start of the 2014 season.

Ramirez hit a combined .207 in 82 games between Rookie-level Billings and Class A Dayton this season.