Since the beginning of this year, the Pittsburgh Pirates have signed seven non-drafted free agents. Three of those came before the 2014 draft, but only one of those players is left in the system. Catchers Mitch Slauter and Mike Spano were signed prior to Spring Training and released in early June. That leaves infielder Nathan Sopena, along with the four players signed since this last draft. Those players are catcher Chris Harvey, shortstop Trace Tam Sing and pitchers Colter Moore and Cory Rhodes.  The question is, have the Pirates seen any value yet from these players?

With the draft shortened from 50 round to 40 rounds a couple years ago, that left about 300 players that weren't getting drafted compared to before. Not every team actually drafted to the end of 50 rounds each year, but m...

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