New MLB rules 2023: Shift ban, pitch clock, larger bases, more
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Regular Season Pitching Rules - Little League
Major League Baseball passes significant rules changes including pitch clock, banning defensive shifts - ESPN
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New baseball rules for 2023 FAQ
MLB's big new rule changes for 2023: Pitch clock, bigger bases, shifts
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Welcome to Major League Baseball in 2023: faster, crisper, with bigger bases