Robot umpires and larger bases: MLB to test experimental rules in minors, MLB
MLB News: AAA Rule Change Will Expand Robot Umpires' Strike Zones, News, Scores, Highlights, Stats, and Rumors
MLB's bigger bases could lead to more steals, fewer injuries, experts say
MLB's bigger bases could lead to more steals, fewer injuries
MLB experiment aligns 2nd base with 1st and 3rd … after 135 years, Aviators
Ball-Strike Challenges Among Experimental Rule Changes In Minors In 2022 — College Baseball, MLB Draft, Prospects - Baseball America
AAA Bases are Larger and Closer in 2021 - Baseball Rules Academy
Strike zone at Triple-A to get slightly bigger starting Tuesday
MLB Rule Changes — Bigger Bases. MLB is tinkering. They are trying to…, by Gammons Thome, Gammons Thome
MLB 2023: New rules, big money Mets, Shohei Ohtani's walk year