Aaron Slegers on Thursday will become the ninth Twins pitcher to make his major league debut this season; the other eight:

RHP Justin Haley, April 5*

LHP Jason Wheeler, May 30*

LHP Randy Rosario, June 2

RHP Nik Turley, June 11**

RHP Alan Busenitz, June 17

RHP Trevor Hildenberger, June 23

RHP Felix Jorge, July 1**

LHP Dietrich Enns, Aug. 10**

*-no longer with organization; **-starter