MLB new rules: Opening Day 2023 sees faster games, more stolen bases and Mets-Marlins confusion
Opening Day: Baseball's season of change begins
MLB 2023 rule changes: pitch timer, larger bases, shifts
The Data Behind MLB's 2023 Rule Changes - by Joe Pompliano
Complaining among players, about each other, led to Marlins meeting
Sports - Axios
The Marlins Go All-In on Baseball's New Rules - The New York Times
Jake Burger, Marlins walk off Yankees with ninth-inning rally
Marlins news: Opening Day stats & notes; first Flashback Friday - Fish Stripes
This is a crisis': MLB deals with outdated television model as new season begins - Washington Times
MLB 2023 rule changes: pitch timer, larger bases, shifts