Pitch mix is one of the most important aspects of a starter's toolkit. Unless your name is Spencer Strider, most use a wide array of different pitches to keep opposing batters on their toes. However, not all pitches are created equal and players often have one pitch that stands out above all the rest.
Not everyone can have an absolutely disgusting pitch, or earn the title of "best slider" or "best sinker" in baseball, or the aforementioned Strider heat. It doesn't feel like that long ago that Felix Hernandez held on to that title for a while with his changeup, and there is a fair argument to be made that certain members of the Mariners bullpen could hold that title for some of their work. Especially when it comes to making hitters hold up a sword.
Let's take a look at each of the Mariners' starters, and see which pitch is their "go-to" from the 2023 season. A big-time shoutout to Pitching Ninja for being one of the best in the game when it comes to putting together exactly how dirty pitchers can be. This article gives plenty of examples he's provided, so you can check out each pitch and just how dominant they were in 2023.