Have you ever heard of an Eephus pitch? You might have before, and you might even know it instinctually, but check out this link for the meaning and background. Essentially, an Eephus pitch is an extremely low speed junk ball that is meant to catch the hitter off guard. If you have the guts, you can try to sneak one past a major league hitter and you might get your strike.
Try it a second time, though, and this happens …
— Cut4 (@Cut4) August 26, 2015
Fool me once, shame on you. Fool me twice … and I’ll take you to deep left center field. Alex Rodriguez held back so long on that second Eephus pitch that the video feels like it’s in slow motion. I can watch that loop all day long.