MLB, Atlantic League announce rule experiments for 2023
Experimental Rule Changes Implemented In Atlantic League Baseball
MLB, Atlantic League announce rule experiments for 2023
How Well Did MLB's Experimental Minor League Rules Work? - The Ringer
Atlantic League/MLB Announce 2 New Test Rules and Retain Rules From 2019
How the Lancaster Barnstormers have become part of baseball's laboratory [collection], Sports
World Football League - Wikipedia
MLB to use independent Atlantic League to experiment rules
Atlantic League Professional Baseball: News
MLB announces 2022 MiLB experimental rules - Ballpark Digest
MLB to have Atlantic League experiment with moving back mound, 'double-hook' DH - ESPN
MLB announces 2022 MiLB experimental rules - Ballpark Digest
The Atlantic League Utilizes the No-Shift Rule for the First Time