The Brewers reinstated Hamilton (hamstring) from the 10-day injured list Friday, Hunter Baumgardt of Fox Sports 920 Milwaukee reports.
Before being placed on the injured list July 7, the 28-year-old had slashed .240/.317/.333 with three homers and 15 RBI in 237 plate appearances. Milwaukee designated Braden Shewmake for assignment to make room for Hamilton on the active roster.