Zack Greinke made it look easy in his first victory at Wrigley Field. Then, he got upstaged by a teammate making a memorable major league debut. Greinke pitched three-hit ball over six innings, Taylor Clarke got a save and a hit after being called up from the minors, and the Arizona Diamondbacks knocked out three home runs in a 6-0 victory over the Chicago Cubs on Saturday. Read more http://www.espn.com/mlb/recap?gameId=401075029
