A look at how the Pirates’ top 10 prospects, according to Baseball America, are faring:
1. Mitch Keller • RHP • 22 • B/T: R/R • Ht/Wt: 6-3, 195 Class AA Altoona
Keller struck out eight batters in six scoreless innings in his first start of the season. He made six regular-season starts for Altoona last year after beginning the season with high-A Bradenton.
2. Austin Meadows • OF • 22 • B/T: L/L • Ht/Wt: 6-3, 210 Class AAA Indianapolis
Meadows had two hits in each of his first two games of the season, including a double in Friday’s season opener.