Dave Grendzynski is a gaming and prediction markets journalist at Action Network, covering casinos, sports betting, prediction markets, and the legal and regulatory developments shaping these industries. His areas of expertise include the NFL, MLB, and NBA, with a particular focus on the Cleveland Browns, along with gambling industry news, legalization updates, major jackpot wins, celebrity card players, and casino game reviews. His growing focus on prediction markets reflects an interest in how these platforms connect sports, news, and public expectations.
Through Better Collective, Dave contributes to Action Network, SportsHandle, PredictionPro, and Yardbarker, creating articles that inform, educate, and entertain readers. Previously, he wrote for Bookmakers Review, helping readers understand sports betting legalization and navigate legal gambling options by state. He also ghostwrote sports betting industry articles for Digital Wager Wire.
A three-time Emmy Award winner and Telly Award recipient, Dave brings extensive experience in sports journalism, broadcasting, and live production. He covered Ohio State’s national championship win over Miami and produced coverage of Cleveland’s MLB team during spring training, Opening Day, and the American League Championship Series. He also served as executive producer and reporter for “Sports Health With Cleveland Clinic” on SportsTime Ohio and managed sports technology content at KINEXON Sports, where he hosted “The Xtra Edge” podcast.
Beyond his writing, Dave produces and hosts Fan Arch’s “Browns Latest” podcast, works as a scoreboard field producer for the Cleveland Guardians, and provides football and basketball play-by-play and color commentary. Across his work, he combines research, interviewing, and storytelling to make complex topics accessible and keep readers informed.
Outside of work, Dave enjoys traveling with his family and watching movies.
