Yankees top pitching prospect had to be pulled during his start

Justus Sheffield, one of the organization’s top pitching prospects, was pulled in the fourth inning of his start for Scranton/Wilkes-Barre on Friday. According to reports, the left-hander felt stiffness in his shoulder, but isn’t overly concerned and doesn’t expect to undergo any tests. Yankees manager Aaron Boone said he believes Tommy Kahnle (shoulder tendinitis) could…