MLB tests outfield positioning rules in minors to boost offense

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Major League Baseball is testing new rules in the Arizona Fall League that restrict where outfielders can position themselves, aiming to increase doubles and triples and revive a stagnant offense. The experiment, conducted at Salt River Fields, uses video screens to tell outfielders if they are in the correct spot, with a green "O" for good and a red "X" for bad.

The experiment

Outfielders must play "straight up" rather than shifting based on a batter's tendencies. Infielders also face new positioning limits when no runners are on base. Prospect Kyle DeBarge noted the change is already producing more extra-base hits: "The hardest part is cutting off doubles in the gap, and they're even turning into triples." The test is limited to Salt River Fields, which has technology similar to MLB parks.

Offensive struggles persist

MLB's 2023 rule changes—including the pitch clock, larger bases, and infield shift restrictions—successfully cut game times by about 25 minutes and increased stolen bases. However, offensive numbers have barely budged: the league batting average went from .243 in 2022 to .244 in 2026, runs per game from 4.28 to 4.48, and hits per game from 8.16 to 8.20. The postseason has been even worse, with teams combining for a .216 batting average through Game 2 of the World Series.

What's next

MLB declined to comment officially on the experiment, and any rule change is likely years away from reaching the majors. The league views the Arizona Fall League as a low-consequence testing ground, similar to how it trialed the automated ball-strike system before its 2026 debut.

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