ALTOONA, Pa. – Aaron Shackelford has been one of the biggest surprises in the Pirates’ farm system this year. Drafted out of The Masters University in the 14th round as a college senior in 2019, Shackelford is on the older side for a prospect. He’s in his age 25 season, making the jump to the … Continue reading Aaron Shackelford: “It’s definitely been a growing season, mentally”