MLB 2023 rule changes: pitch timer, larger bases, shifts
Pitch Clock and Other MLB Rule Changes for 2023 - The New York Times
MLB approves two rules for 2023 - ESPN 98.1 FM - 850 AM WRUF
2023 MLB rule changes - How teams are preparing for the season - ESPN
MLB rule changes, explained: Pitch clock, shift ban and more coming to baseball in 2023
Everything you didn't know you need to know about MLB's new rules
Inside Baseball's Desperate Effort to Save Itself From Irrelevance - The Atlantic
2023 MLB Games Quicker, Improved by New Rules
A 15-second pitch clock? The end of the shift? What you need to know about MLB's 2023 rule changes - ESPN
MLB's big new rule changes for 2023: Pitch clock, bigger bases, shifts