I think Dusty realizes that Harris is in serious jeopardy of losing his job in a few days when Cairo is ready to come back. Therefore, batting Harris No. 2 in the pitch-friendly slot ahead of Votto is Dusty's way of giving Harris one last chance to do something.
You gotta think he is on the thinnest of ice and Dusty knows this.
And why in the world do players need a day off after getting days off on Monday and Tuesday? That's ridiculous.