Mangum went 4-for-5 with a two-run homer, a double, an additional RBI and a stolen base in Thursday's 10-5 loss to Atlanta.
It's the fourth career four-hit game for Mangum, highlighted by his two-run blast off Bryce Elder in the fourth inning, his second homer this season. The switch-hitting outfielder has gone 18-for-50 (.360) over his last 12 games, boosting his slash line to .311/.361/.383 across 244 plate appearances this season with 32 runs scored, 18 RBI and 18 stolen bases.