Had a good chat with @notthefakeSVP about foreign substances. We hit a lot of ground here. For those who want to understand why pitchers use them, there's that. And plenty more about what this means for the sport, why it's a big deal and what the crackdown may mean for baseball. pic.twitter.com/lF0jHsL2FK

— Jeff Passan (@JeffPassan) June 9, 2021