Which trade in Royals history still haunts you?

We’re trying a new series at Royals Review, a daily mid-day question of the day to hear about your opinions on a fun or pressing question affecting the Royals or baseball in general. Chime in and drop your answers below!

Royals’ history is full of great trades, and a few that still make you throw up in your mouth. There are the ones where they traded a minor leaguer that became an All-Star, but then there are the ones where they traded away a star simply because they didn’t want to pay him. There are many candidates for worst trade:

But hey, the trade that haunts you the most doesn’t have to be a move that was that bad on paper. Maybe it was when they traded away your favorite player. Surely there is someone haunted by the Mike Aviles-for-Kendal Volz-and-Yamaico Navarro trade?

So let’s open the old wounds a little: what Royals trade still haunts you, and why?