FILE - In this Feb. 11, 2013, file photo, St. Louis Cardinals pitcher Chris Carpenter speaks about his future during a baseball news conference in St. Louis. Carpenter realizes his base

 

              FILE - In this Feb. 11, 2013, file photo, St. Louis Cardinals pitcher Chris Carpenter speaks about his future during a baseball news conference in St. Louis. Carpenter realizes his base
FILE - In this Feb. 11, 2013, file photo, St. Louis Cardinals pitcher Chris Carpenter speaks about his future during a baseball news conference in St. Louis. Carpenter realizes his baseball career may be over. The 37-year-old right-hander made a surprise appearance at the team's spring-training camp Monday, March 18, and said he is still dealing with numbing and tingling sensations in his pitching hand, arm and shoulder. (AP Photo/Jeff Roberson, File)