NL Central Notes: Carpenter, Pirates, Reds

Here's the latest out of the NL Central..

  • Cardinals pitcher Chris Carpenter will undergo season ending surgery after recurring symptoms made it evident that the right-hander would be unable to pitch through thoracic outlet syndrome, writes Jenifer Langosch of  The 37-year-old, who is in the first season of a two-year, $21MM contract, says that he has every intention of pitching in 2013.
  • The Pirates lead this summer's group of all-in buyers, writes Buster Olney of  Olney writes that the Brewers' model of 2008 seems perfect for the Pirates to follow and in some ways, they're in a better position to trade because of the amount of pitching talent in their pipeline.
  • The Reds have signed eighth-round selection Seth Mejias-Brean, MLBTR has learned. The third baseman played college ball at the University of Arizona.