Diaz went 2-for-5 with a two-run home run in Friday's 8-4 win over the Red Sox.
Diaz singled in the seventh inning and then added a two-run homer in the ninth. He has carried a hot July into August, going 10-for-28 with four multi-hit efforts in his last seven contests. On the year, the 25-year-old is hitting .301 with 11 home runs, 61 RBI and 48 runs scored across 429 plate appearances.