Yankees reliever thought trade news was barber-shop prank

Phillip Diehl’s world was changing right in front of him — and the thought it was as all a ruse. The 24-year-old lefty initially thought was he was being pranked when Yankees manager Aaron Boone told him he was traded to the Rockies for outfielder Mike Tauchman, Diehl told ESPN. Earlier in the day, Diehl…