Riley went 3-for-4 with a double, two runs scored and an RBI in Thursday's rout of the Cardinals.

After homering in his big-league debut Wednesday, Riley followed up with another impressive performance. The 22-year-old figures to get regular at-bats in left field at least until Ender Inciarte (back) is healthy, but if Riley keeps raking it'll be tough for Atlanta to justify sending him back down to Triple-A.

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