How MLB rule changes are affecting game length, runs and more – NBC Sports Boston
MLB implements rule changes for 2023, including a pitch clock and defensive shift restrictions
Pitch Timer (2023 rule change), Glossary
Major League Baseball Has New Rules And Ways To Watch Games In 2023
MLB: 15-second pitch clock, no more shift change baseball again
How MLB's New Rules Could Change Baseball In 2023
MLB's pitch clock is a success, but some still fear an injury reckoning is coming - The Athletic
Opinion: Baseball's new pitch clock is the best thing since sliced bread - Los Angeles Times
Pitch clocks and shift limits: MLB adopts sweeping rule changes for 2023, MLB
MLB's new rules, pitch clock are working as intended