This is correct. I've tested many things out with the 4-seamer and like a reallife 4-seamer it has a ****ton of movement but no set in stone break. If you throw it perfectly on the mark, max power it'll have perfect backspin and give the illusion that it's rising. If you hit it on the mark with less power it'll still goto the mark but with less backspin and will appear to sink just a little (the less power the more sink). If you're a little early on your mark the ball will run in just like a running fastball and if you're a little late on your mark the ball will cut like a cut fastball. Too many people expect the 4-seamer to do exactly what it puts up on the screen but it's really the most lively pitch in the game as it can be influenced to move 8 different ways. Think of it as if you were throwing a real baseball, a real 4-seamer, if you throw it the way the pitch is truely meant to be thrown it's straight as an arrow with a ton of spin, but if you're off on your grip or release point slightly it's gonna cause the ball to do different things.