David Laurila talked to Sergio Romo about Romo’s slider, and the interview is so good. Here’s a small snippet, but there’s much more there:
“I know I have to change speeds on my slider, though. I know I have to take some off and put some more on. That’s my… I mean, it’s like other guys throwing sinkers, cutters, four-seamers… they take something off to add movement. The four-seamer is right at you. These guys are throwing 95-100, and then they’ll come at you with a sinker that’s 92-94 and then a cutter that’s 90-92.