Indications are left-hander Quinn Mathews will be making his major league debut with the Cardinals sooner rather than later, however.

As impressed as the Cardinals were with Quinn Mathews’ fiery competitiveness and his electric stuff on the mound over the past three weeks, they were equally awestruck with the way the analytical left

He did a phenomenal job,” Cardinals manager Marmol said of Quinn Mathews, club’s top pitching prospect who was reassigned to minor league camp on Sunday.