They've picked too many wrong horses in recent years.

And his organization had bet on the wrong horse in that one.

They have a way of always picking the wrong horse.

But inevitably, as illustrated below, now and then you bet on the wrong horse.

"There is always a price when you back the wrong horse in a race."

That he had, as the old Earth saying went, backed the wrong horse.

But we put our money on the wrong horse.

Basil is supposed to have bet on the wrong political horse.

"If technology is going the other way, why continue to back the wrong horse?"

"If you want someone who gives good quote, you're betting on the wrong horse."