30 Players: Martinez Ready To Make Mark In Cardinals Rotation
Teams don't often trade a young pitcher like Shelby Miller, but when you're a team like the Cardinals with a surplus of young pitching ready to break out seemingly every year, it may be a bit more common. St. Louis general manager John Mozeliak basically said after trading Miller that one reason he did so was to make room in the rotation for Martinez, a top prospect who pitched out of the bullpen in 2014.
