Left-hander Tyler Gilbert threw a no-hitter in his first major league start to lead the Arizona Diamondbacks to a 7–0 win against the visiting San Diego Padres on Saturday night. Gilbert (1–1) is the fourth major-leaguer to throw a no-hitter in his first major-league start, and first since Bobo Holloman of the St. Louis Browns against the Philadelphia Athletics on May 6, 1953. He’s also the eighth pitcher to throw a no-hitter in the majors this season, tying the MLB record set in 1884, the first year overhand pitching was allowed. Gilbert, whom the Diamondbacks selected in the minor league Rule 5 draft following last season, made his big league debut on Aug. 3 and had not allowed a run in his previous 3 2/3 innings over three appearances out of the bullpen. Gilbert struck out five and walked three. Pirates 14, Brewers 4 (Game 1) Kevin Newman doubled four …