1/24/19: Hall of Famers when they were prospects - a podcast by MLB.com

Four players have been voted into Cooperstown. On this week’s podcast, Jim Callis (@JimCallisMLB), Jonathan Mayo (@jonathanmayo) and Tim McMaster (MLB_McMaster) discuss what kind of prospects Mariano Rivera, Roy Halladay, Mike Mussina and Edgar Martinez were (1:12). The guys then continue their trip around the diamond with MLB Pipeline’s Top 10 position lists (11:33).Learn more about your ad choices. Visit podcastchoices.com/adchoices

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