Diaz went 2-for-5 with a three-run homer, a double and two runs Friday against the Reds.
Diaz's second blast of the year was a three-run shot that broke open the game in the third inning of a Cardinals win. He now has piled up five extra-base hits in his last five contests. In addition, he's also posted hits in seven of the eight games he's played in 2016.