Andy Pettitte has pitched in the major leagues for 18 years, but his career is coming to a close. The veteran pitcher announced that he would retire at the end of the season on Friday, per the Yankees' Twitter feed:

Joel Sherman of the New York Post had the scoop that the New York Yankees left-hander was reportedly planning to announce his decision to retire on Friday afternoon:

have not confirmed 100 pct, but getting lot of buzz Andy Pettitte will announce his retirement this afternoon. Will keep u posted #Yankees — Joel Sherman (@Joelsherman1) September 20, 2013