For the New York Yankees Opening Day starter Masahiro Tanaka the bone-chilling cold on the United States' East Coast has helped him sharpen his focus rather than giving him the blues.The 30-year-old Japanese, who earned the Opening Day nod for the fourth time in his past five seasons in New York, admitted to pregame butterflies after working out at Yankees Stadium on the eve of the season, but says that will not stop him from trying to break his Opening Day jinx."I'm feeling more nervous. Coming from warm Florida (spring training) to throw in the bullpen in single-digit temperatures in New …READ FULL ARTICLE