Duffy went 2-for-4 with an RBI, a walk, a stolen base and a strikeout in Wednesday's win over the Royals.
Duffy singled home an insurance run in the eighth inning in the 6-3 win and reached base three times on the night. The 27-year-old is hitting just .231 over 65 at-bats in August, but overall he's slashing .293/.350/.368 with nine steals in 14 attempts.