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7/28/2014 7:45 P.M. ET

Delmonico suspended 50 games

ST. PETERSBURG -- Brewers Minor League third baseman Nick Delmonico was suspended 50 games under the Minor League Drug Prevention and Treatment Program after testing positive for an amphetamine, the Commissioner's Office announced on Monday.

The 22-year-old, who is No. 17 on MLB.com's list of the top Brewers prospects, has been sidelined for two extended periods of time this season at Advanced Class A Brevard County, limited to 37 games this season by what Brewers officials had called a personal matter.

Citing the same privacy concerns, assistant general manager Gord Ash again declined to detail Delmonico's troubles on Monday.

"He's got a program to follow, and that's what he's doing now," said Ash, indicating the Brewers were involved in Delmonico's treatment.

He was batting .262 with four home runs and 15 RBIs in 141 at-bats and has not played since July 7. Ash said the Brewers had been aware of the suspension for some time before MLB made its announcement on Monday afternoon, so it appears that Delmonico has already served some of his 50 games.

Delmonico was drafted by the Orioles in the sixth round of the 2012 First-Year Player Draft and traded to Milwaukee last July in exchange for Francisco Rodriguez .

The infielder is a career .245 hitter with 28 home runs and 17 stolen bases in a three-year Minor League career that has spanned both levels of Class A.

Adam McCalvy is a reporter for MLB.com. Read his blog, Brew Beat, and follow him on Twitter at @AdamMcCalvy. This story was not subject to the approval of Major League Baseball or its clubs.