Diaz went 2-for-5 with two runs scored and an RBI in Sunday's 14-4 win over the Astros.
The veteran designated hitter turned in his sixth multi-hit effort of the month Sunday. September has been another strong month for Diaz, who's hitting .314 with two homers, three doubles and six RBI over his last 51 at-bats. Through 642 plate appearances, he's slashing .301/.366/.463 with 22 long balls, 25 doubles, 81 RBI and 86 runs scored.