San Francisco Giants third baseman Evan Longoria joined the SI Media Podcast to discuss baseball's unwritten rules and in particular, the growing concern over the use of foreign substances by MLB pitchers. Longoria says that the substances currently being used are more effective than ever, causing spin rates on pitches throughout the league to go "through the roof" and making it nearly impossible to hit. Listen to the full episode here: https://buff.ly/3z8mzYZ Read SI's story on MLB's worst league-wide cheating scandal since the steroid era: https://buff.ly/34J5SWi --------------------------------------------------------------------------------------------------------------------------- Follow SI on all social channels! Twitter: https://buff.ly/2Pf9t9e Facebook: https://buff.ly/3l3ziFu Instagram: https://buff.ly/3oZia6i TikTok: https://buff.ly/3wGhuFc Subscribe to SI today for access to the biggest teams, the boldest names, and the legendary stories that only we can deliver: https://buff.ly/34iPNWS