BREAKING NEWS:

By Bobbie Dittmeier / MLB.com | 05/07/12 10:04 PM ET

Giants reliever Guillermo Mota was suspended Monday for 100 games after testing positive for clenbuterol, a performance-enhancing substance, in violation of Major League Baseball's Joint Drug Prevention and Treatment Program, the Office of the Commissioner announced.

The suspension of Mota, who received a 50-game ban for a performance-enhancing substance violation in November 2006, is effective immediately.

The Giants issued a statement that read simply, "The Giants are disappointed to learn of Guillermo Mota's suspension. We support Major League Baseball's Drug Prevention and Treatment Program."

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