MLB to test ban on shifts, automated strike zones and more changes in minor leagues this year

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Major League Baseball continues to tinker with the game, this time implementing experimental rules at the minor-league level which includes banning shifts and automated strike zones.

The league announced the different rules that will be in place for the minor leagues, with each level experimenting with something different.

Each rule is designed to increase action on the basepaths, create more balls in play, improve the pace and length of the games and reduce player injuries, the press release said.

The rules are as follows:

Triple-A: The size of first, second and third base will increase from 15 to 18 square inches in order to reduce player injuries and collisions on the basepaths.  This rule is also expected to have a modest impact on the success-rate of stolen bases and batters reaching base on ground balls and bunt attempts due to the shorter distance between bases.

Double-A: The defensive team must have a minimum of four players on the infield, with each having both feet in front of the outer boundary of the infield dirt. MLB may require two fielders to be positioned on each side of second base in the second half of the Double-A season. By limiting defensive positioning, batting average on balls in play should increase.

High-A: Pitchers must disengage the rubber prior to throwing to any base. If the pitcher fails to do so, it will result in a balk. This rule was implemented in the independent Atlantic League in 2019 and saw a significant increase in stolen base attempts.

Low-A (all): Pitchers will be limited to two “step offs” or “pickoffs” per plate appearance with at least one runner on base. Pitchers can attempt a third pickoff or step off, but a balk will be assessed if the runner is able to return to the base safely.

Low-A (Southeast): MLB will use the Automatic Ball-Strike System (ABS) in select Low-A Southeast games to assist home plate umpires with balls and strikes and ensure a consistent strike zone. This is the same system that was used in the Atlantic League and Arizona Fall League.

Low-A (West): On-field timers will be used to enforce time limits between delivery of pitches, inning breaks and pitching changes in order to speed up the pace of play.

Perhaps the rule that will receive the most attention will be the banning of shifts at the Double-A level. Shifts have long been a part of the game but in recent years have become more dramatic, with the left side of the infield often left unoccupied with left-handed pull hitters at the plate.

Some argue this is a crucial strategy to the game while others argue it lessens the game.

The automated strike zone, while limited to select Low-A Southeast games, is another rule fans will be closely watching as well.

“We are listening to our fans,” Michael Hill, MLB senior VP of on-field operations said in a statement. “These experimental playing rules have been approved by the Competition Committee and the Playing Rules Committee to be tested an analyzed in a highly competitive environment.”

Former Cubs and Red Sox general manager Theo Epstein, who is working as a consultant for MLB, also spoke about the changes.

“The game on the field is constantly evolving, and MLB must be thoughtful and intentional about progressing toward the very best version of baseball — a version that is true to its essence and has enough consistent action and athleticism on display to entertain fans of all ages,” he said. “Thes rules experiments will provide valuable insight into various ways to create a playing environment that encourages the most entertaining version of the game. What we learn in the Minor Leagues this year will be essential in helping all parties chart the right path forward for baseball.”

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