Let me start by telling you a funny story about the stretch.
As you know, Rule 8:01b stipulates that a pitcher, when working from the set position, must come to a full stop of one second before delivering the pitch—and I guess it’s that interruption that’s screwing you up. Anyhow, the Yankee pitchers in the late '40s used to get away with murder; when pitching from the stretch they would come to just a slight hesitation before delivering the ball. But in 1950 the umpires decided they were going to enforce that rule, and so it was that in one game Vic Raschi had four balks called on him. He was ready to scream, but fellow pitcher Allie Reynolds said he would put a stop to it, and the next day he did. He was on the mound, and there was a runner on first, and Allie just held on to the ball—and then he would go to the rosin bag and futz with it—and then get back on the rubber and hold onto the ball. The plate umpire was getting very restless and went out to the mound and asked Allie, “Why don’t you throw the ball?” Reynolds said he was afraid to—because if he released the ball he’d get a balk called on him!
The umpire said the heck with it and ruled that the Yankee pitchers could go back to what they were doing. :lol:
Now, I have an idea that some coach or other may have told you that you have to pause for a couple of seconds at the top of the stretch before coming down to the set position. What a load of crap, if you’ll pardon my French. There’s nothing in the rule book that says you have to do that or in any other way interrupt your motion before coming to the set position. Have you ever watched Mike Mussina, for example? When pitching with a runner on base he has the same fluid motion that he does when pitching from the full windup—he just comes to the full stop before he throws his knuckle-curve. And here’s another point: you can pitch from the full windup with the bases loaded.
So I say to you, there’s nothing to be concerned about when it comes to pitching from the stretch. The whole point of the stretch, or set position, or whatever, is to make it more difficult for a runner to get a jump on you and try to steal a base. And another tip: you can use the slide-step very effectively in this situation. 