Today the Pittsburgh Pirates recalled right-hander Mitch Keller from Indianapolis to start the nightcap of their doubleheader in Cincinnati for his major league debut. Keller will be the sixth Indian to make his major league debut this season, following in the footsteps of outfielder Jason Martin, infielder Cole Tucker, outfielder Bryan Reynolds, right-hander Montana DuRapau and right-hander Geoff Hartlieb.