Jack Madden grew up in the United States and played American football at high-school level until a knee injury ended his playing ambitions. He studied sports journalism at Butler University and has written professionally about American football and basketball for the past 15 years.
Coverage and expertiseAmerican sport, reported with a player's eye and a journalist's discipline. Jack writes and edits BetOwl's US Sports coverage after 15 years specialising in American football and basketball.
BetOwlSee how NHL overtime and shootouts affect moneyline, 60-minute, totals, puck-line and goalscorer bets, with worked settlement examples.
BetOwlRecord, group and score probability forecasts to detect overconfidence using calibration buckets, reliability diagrams and the Brier score.
BetOwlSee when basketball overtime counts for moneyline, spreads, totals, player props, halves, quarters and Bet Builders, with a worked settlement example.
BetOwlThe 1919 World Series fix was real, but the familiar story is not. Follow the evidence, the eight different cases and the Hall of Fame question reopened in 2025.