It's hard to identify who will be an elite closer, especially when they are in the minor leagues. I mean, Mariano Rivera was a starter before becoming the greatest closer ever. Some of the top relievers in the game didn't begin their careers in the bullpen, so you never know what a team might do with arm talent, even if they are starters at the moment. MLB Pipeline went ahead and identified one pitching prospect from each system who has the best chance of becoming that team's closer in the...
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90min
