Luzardo currently has a scoreless streak of 15.1 innings that encompasses his last four starts at Double-A Midland, Mike Rosenbaum of MLB.com reports.
The 20-year-old southpaw generated five innings of one-hit ball in his most recent start against Springfield on Tuesday, retiring the final 11 batters he faced in the process. Luzardo was recently named an All-Star in the Texas League for his impressive work since his April 24 promotion. He has a 2.81 ERA and 64:14 K:BB over 57.2 innings for the Rockhounds.