Diaz went 4-for-4 with a solo home run in Tuesday's 6-2 loss to the Pirates.
Diaz's fourth-inning homer was the Astros' lone extra-base hit in the contest. He's hit safely in six straight games and has an extra-base hit in five of them, going 12-for-24 with six RBI in that span. For the season, he's up to a .295/.318/.441 slash line with 10 homers, 58 RBI, 45 runs scored, 18 doubles, three triples and one stolen base over 393 plate appearances.