MLB Rule Changes 2023: Moving Away From Defensive Shifts
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Bryce Harper ejected, Jake Arrieta fumes as Phillies fall 'flat' in 5-1 loss to Mets
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Download PDF - Houston History Magazine
MLB clarifies home plate collision rule
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MLB Umpires Association, adamant that crews are simply upholding rule, address home-plate collision rule in statement - ESPN
MLB Umpires Association plate collision rule statement - TSN.ca
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