Leading men: Nats start 2nd half on top

Nationals' midseason moments 3:32 Max Scherzer's no-hitter was among the best highlights for the Nationals in the first half of the 2015 season Harper has acted like Gigantor and the Incredible Hulk against opposing pitchers. He is among the league leaders in almost every offensive category.

After signing a seven-year, $210 million contract, Scherzer is the ace everyone expected him to be. Who can forget the no-hitter he pitched against the Pirates on June 20? An ace indeed.

Here's a look at what unfolded in the first half of the season and what faces the Nationals now after the All-Star break.

FIVE KEY DEVELOPMENTS

1. The Boy Wonder

Harper did it all during the first half. Not only did he carry…