If you live in or near Milwaukee, Wisconsin, and are in search for Drowzee in Pokemon GO, you may want to pay a visit to Miller Park. You can find and catch the Hypnosis Pokemon in the stadium, according to the official Twitter page for the Milwaukee-based American professional baseball team, the Milwaukee Brewers. https://twitter.com/Brewers/status/751541753983930368
Pokemon GO: The Milwaukee Brewers share a picture of a Drowzee in their stadium
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