You don't actually make yourself slide it does it by itself. You have to click your mouse every second and your speed goes up, you have to get there before it is out. That part is Running in Pinch...
It took practice but all you do is click exactly every one second and you begin to pick up speed.
after you complete batting running and catching
u cant u can only hit a single or homer
"Pinch" was old-timey slang for a tough, high pressure situation. Think "We're in a pinch!"