(Reuters) – Jarrod Parker, who was favored to be the Oakland Athletics’ Opening Day starter entering spring training, will undergo elbow surgery and miss the Major League Baseball season, the team said on Monday. The right-hander was scratched from his scheduled start on Saturday and was examined on Monday because of soreness and tightness in his pitching forearm. Parker had forearm issues last season as well and previously had Tommy John surgery on his pitching […]