Meet the Man Who Wants to Sell Beer at Every MLB Ballpark
Bleacher Creatures - Wikipedia
Phillies' Matt Strahm opposes extended beer sales at MLB ballparks, citing fan safety
Shooter Now: Wally the Beer Man caught selling beer to a minor at Twins game – Twin Cities
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Hagerstown's new ballpark: Picnic areas, walking paths and high expectations – CNS Maryland
Baseball Drinking Stories - Mickey Mantle, Babe Ruth, Harry Caray drink beer & booze in the Major Leagues - Thrillist
Episode 700: Peanuts and Cracker Jack : Planet Money : NPR
Hey, Beer Guy! - Athletics Nation
Ranking All 30 MLB Ballparks and Stadiums: From Worst to Best
7 Surprising Sales Lessons from a Fenway Park Hot Dog Vendor - BenchmarkONE
What the future of the American sports stadium should look like
A gentle giant, William Dennis served Chicago sports fans their beer - The Athletic
Meet Hot Dog Mark, the man who really relishes his job at Target Field