No one wants to kick a team while it’s down.

So a lot that could be said about the Astros, with their 61-135 record since the beginning of last season, probably shouldn’t be said.

Silence isn’t just golden in this case, it is kind.

But you have to beat a team when it is down, and that’s what the Tigers are doing this week, making it three in a row over the Astros with a 3-2 victory on Wednesday night at Comerica Park.

And since they came into this series with a five-game winning streak, it’s now an eight-gamer for the Tigers.

But as manager Brad Ausmus said before the game: “There’s no back-patting here. We’re barely a sixth of the way into the season.”

Winning pitcher Rick Porcello held the Astros to two runs on six hits through 62⁄3 innings for the victory. He’s now 5-1 — his best start.

“He wasn’t as crisp as he could be,” Ausmus said. “I think he would tell you that. But it’s certainly a good effort when you pitch that deep into a game.”

Joba Chamberlain got the last out of the seventh, and struck out the side in the eighth.

Stranding a runner at third, Joe Nathan closed it out in the ninth for his seventh save.

The Tigers’ 3-4 hitters were the offensive difference. Both Miguel Cabrera and Victor Martinez hit home runs while the Astros’ 3-4 hitters did their best to make contact.

Cabrera’s fourth home run of the season, but his second in two nights, was hit to right off Astros starter Brad Peacock in the first inning.

With a leap at the wall, right fielder George Springer nearly hauled it in, but the ball appeared to glance off the end of his glove.

Ian Kinsler, who led off the first with a walk, scored ahead of Cabrera.

Martinez made it a 3-1 game by finding the seats in right on a 0-2 count in the sixth. The home run was his sixth of the season.