2023 World Baseball Classic rules: Pitcher use limitations, run rule, extra innings, relegation - AS USA
2023 World Baseball Classic rules: Format, explainer for tournament - DraftKings Network
2023 World Baseball Classic rules: How will extra innings work in the WBC? - DraftKings Network
MLB Extra Innings Rule: Analyzing how new 'Ghost Runner' change will affect the outcome of games
MLB 2023 rule changes expected to be voted in Friday: Pitch clock, shift restriction, larger bases - The Athletic
Action clock modifications and other rule changes in college baseball
MLB rules changes refresher for 2023 season
Pitch Timer (2023 rule change), Glossary
MLB rules changes refresher for 2023 season
World Baseball Classic Illustrates Why Pitch Clock Should Not be Used in MLB Postseason - Twins - Twins Daily
Report: MLB's extra-inning, extra-runner rule returning for 2023, beyond - Sactown Sports
Opinion: Will the Pitch Clock Ruin Playoff Baseball? – The Recorder
2023 World Baseball Classic extra innings rules explained: What happens in case of a tie? - AS USA
Column: WBC shows MLB doesn't need pitch clock in playoffs