I read it from the thing, that pitcher has the throw on the third time and cannot actually throw again after that. If they do its the balk, but I could have read it wrong as well...
But either way, it feels like, the runners can get enough step offs/throws to essentially get a base without a throw in my mind....
Major League Baseball passed a sweeping set of rules changes it hopes will fundamentally overhaul the game, voting Friday to implement a pitch clock and ban defensive shifts in 2023 to hasten the game's pace and increase action.
www.espn.com
From the ESPN article...
By limiting disengagements with the mound, either via pickoff move or step-off, the rules hold accountable pitchers who would otherwise have a pitch-clock workaround -- and are likely to significantly increase stolen bases, part of the action MLB intended to increase.
Pickoffs and step-offs reset the pitch clock, and the rules will limit pitchers to two for each plate appearance. (The number would reset if a runner advances.) A pitcher can make a third pickoff attempt, but if it's unsuccessful it will be a balk, allowing the runners to move up a base
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To me that's a bad idea... I'm drawing the pitchers attention/throws until that time, then I am taking the base... I could do that myself and I am a keyboard warrior that played some baseball...