Yankees broke MLB unwritten rule during perfect game

New York Yankees starting pitcher Domingo German and pitching coach Matt Blake clearly don’t believe in baseball-related jinxes. 

Greg Joyce of the New York Post noted how Blake violated an MLB unwritten rule by continuing to interact with German as the 30-year-old pitched what became a perfect game at the Oakland Athletics on Wednesday night. 

“[Wednesday] night, he got into the rhythm of wanting information in between each inning…