MLB uses Atlantic League to test more rule changes – KGET 17
A few more thoughts on the MLB pitch timer - Bleed Cubbie Blue
Hitters React to Pitch Clock In Early MLB Spring Training Action
Players can't “hit 'em where they ain't,” so baseball changes rules
New pitch clocking shortening MLB games in spring training
MLB Players React to the Pitch Clock and Baseballs' New Rules - The New York Times
MLB players find less time for small talk with pitch clock
Guide to 2023 MLB rule changes: What to expect in baseball's new era
How the Rangers, rest of MLB are changing under baseball's new rules
Baseball no longer the timeless game as pitch clock shaves 30 minutes off 9-inning game
MLB's new rules: How pitch clock, shift ban and bigger bases will — and won't — change the game - The Athletic
MLB approves two rules for 2023 - ESPN 98.1 FM - 850 AM WRUF
Major League Baseball rule changes put the sport in an unusual position heading into Opening Day.
Pitch Clock Reduces 2023 Opening Day Games By Average of 26 Minutes — College Baseball, MLB Draft, Prospects - Baseball America