Last month, I noted here that some experimental rules would be tried out in the Arizona Fall League:
Pitchers will be subject to a 15-second pitch clock and limited to two pickoff attempts per plate appearance; infielders will be required to remain in the dirt with two infielders on each side of second base; and the size of the bases will be increased.
The automated ball-strike system, which the AFL also experimented with in 2019, will also be used in games played at Salt River Fields.
Keith Law of The Athletic posted an article earlier this week noting that in the early AFL going, these rule changes had failed:
The Saturday night game at Salt River Fields, the spring home of the Diamondbacks and Rockies, exemplifies the entire problem.