Baseball America has released their mid-season top 50 prospects rankings (scouting reports for subscribers here), and the Pittsburgh Pirates have four prospects on the list. That's an upgrade over their pre-season total of two prospects in the top 50.

The highest ranked Pirate is Gerrit Cole, who comes in at number six. Cole entered the season ranked 12th overall. Cole is the fourth best pitching prospect on the list. The top three are Dylan Bundy, Taijuan Walker, and surprisingly, Danny Hultzen.

Next on the list is Jameson Taillon, who came in at number 15. That's the same spot he held for the pre-season rankings, although a lot of the top players from the pre-season rankings have graduated, which means people have passed Taillon to keep him in the same spot. Baseball America noted ...

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