With Jake Westbrook formalizing a one-year contract extension with the St. Louis Cardinals on Tuesday, it brings the future of the rotation into focus.
Next season, the major league club will have six experienced starters without Kyle Lohse, whose departure seems more likely given Westbrook’s new deal. The six are Adam Wainwright, Chris Carpenter, Westbrook, Jaime Garcia, Lance Lynn and Joe Kelly.
With Carpenter’s health remaining a question as is Garcia’s to a lesser extent, is there enough rotation depth without Lohse?
For that answer, one has to look to the upper minors. The system has three young arms approaching the majors, any of whom could be in a position to become 2013’s version of Joe Kelly, if the need arises.
The biggest success story among pitchers in the organization this year is Trevor Rosenthal. The 22-year-old has successfully completed his first two MLB stints as a reliever and may be ready to compete for a roster spot next season, whether starting or reli...