Yasmani Grandal has been suspended 50 games without pay after testing positive for use of a banned substance.

The substance was testosterone.

The rookie batted .297/.394/.469 with eight home runs in 60 games for the Padres.

"We were disappointed to learn of the suspension of Yasmani Grandal for violating Major League Baseball's Joint Drug Prevention & Treatment Program," the Padres said in a statement. "We fully support Major League Baseball's policy and its efforts to eliminate performance enhancing drugs from our game. Per the protocol outlined by Major League Baseball's collective bargaining agreement, we will not comment further on this matter."