2023 XFL Rules
Baseball Says It Is Just Fine—as It Prepares to Introduce Tradition-Rattling Rule Changes - WSJ
What's Banana Ball? Learn Savannah Banana rules of the game - Los Angeles Times
Baseball Changes Several Rules and Agrees to Start C.B.A. Negotiations - The New York Times
History of MLB rules changes
A Brief History of “Recent” Major League Baseball Rule Changes - Portable Press
News - West Coast League
MLB Players Association says 2023 rule changes impact 'the integrity of the game itself
MLB Opening Day, New rule changes for 2023 season
MLB rule changes: Robo umps, shift banning, gambling are coming - Sports Illustrated
MLB rules are changing and players aren't happy about it
Baseball Says It Is Just Fine—as It Prepares to Introduce Tradition-Rattling Rule Changes - WSJ