World Baseball Classic adopts MLB rule for extra innings
What are the 2023 World Baseball Classic rules? – NBC Sports Philadelphia
World Baseball Classic: Highlights, lowlights from best one ever - Sports Illustrated
Extra innings 'ghost runner' will stay as MLB makes rule changes
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What Is The World Baseball Classic?
Report: MLB permanently implements extra-innings ghost runners, tweaks rule on position players pitching
Spotlight turns to baseball and Padres' weighty expectations
MLB Likely Eliminating 7-Inning Doubleheaders, Runner On 2nd Base For Extra Innings Rule
MLB All-Star Game should adopt World Baseball Classic's extra-innings rules
Baseball rules - Wikipedia
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