MLB rules

With multiple pitchers being ejected from games because of a foreign substance on their body, how close is MLB to passing a rule to allow this?

The 4+ hour game between the New York Yankees and the Boston Red Sox got me to think back to a conversation that I had with a college umpire last year. In the long conversation I had with this particular gentlemen, he pointed out that there are two time limit rules Major League Baseball umpires do not enforce anymore. One of which is specific to the amount of time a pitcher is required to deliver