On this episode, we're joined by Mariners catcher Cal Raleigh, who ranks among the MLB leaders in Defensive Runs Saved due to standout pitch framing.Cal talks about the different elements that go into catching this Mariners staff and the different looks and challenges their pitchers present. He also explains why he might not do as well as Julio Rodríguez in a Home Run Derby (0:42).Our VP of Baseball, Bobby Scales, follows that interview by chatting with us about some of the best defensive catchers he's played with and against. Bobby also addresses the Chicago White Sox and how aggressively they should go for the AL Central title (15:04).Thanks as always for listening. Please follow us on Twitter at @sis_baseball. You can e-mail us at Mark@sportsinfosolutions.com