Harper went 1-for-3 with a solo home run and two walks during Tuesday's 9-5 loss to Atlanta.
The 28-year-old's fourth-inning homer was his first since May 11, a span that encompassed 12 games, 44 plate appearances and a stint on the injured list. Harper has a .274/.398/.493 slash line with eight home runs, eight doubles, 15 RBI, 18 runs and five stolen bases in 41 games this season.