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

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

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

Left-hander Quinn Mathews made one start in the Grapefruit League. A move to minor league camp will allow Mathews to continue building up as a starter.

St. Louis Cardinals starting pitching prospect Quinn Mathews was assigned to minor-league camp on Sunday. As a result, the budding ace will not open the season in the major leagues. Mathews was invited to camp and had an outside chance of breaking the Opening Day roster.

Training, Sundays are usually the days that the rosters get trimmed a little bit. As pitchers begin to build up, the starters in the projected rot