Pirates' High-A affiliate somehow just doubled down on perfection

Philadelphia Phillies v Pittsburgh Pirates | Justin K. Aller/GettyImagesAs the league heads into the All-Star break, the Pirates' High-A affiliate picked up a remarkable feat - just nine days after doing it for the first time. The Greensboro Grasshoppers pitched another combined perfect game to end the week, shortly after making history by hurling the first in MiLB action since 2017.

The Grasshoppers have put together a solid pitching staff this season with just two arms ranked in the top 30. Khristian Curtis, the Pirates' 24th-ranked prospect per MLB Pipeline, led the charge for their first perfecto. Out of nowhere, Hung-Leng Chang led their second perfect game, an unranked prospect who has…