Nationals’ bullpen game unravels in record-setting loss

SAN DIEGO – Riley Cornelio had pitched three perfect innings as the starter in a bullpen game against the Padres. Yet the rookie right-hander was visibly upset after his best Major League game to date. Amid a quiet Nationals clubhouse, Cornelio stated the sentiments felt by his teammates. “We show up every day and we work really hard,” Cornelio said. “The results obviously have been frustrating, but it’s not from a lack of trying. I’ll tell you that.” The Nationals set the Major League record for the most blown saves in a single season in a deflating 5-4 loss to…