Know Your Opponent | The unknown unknowns defining D.C. United's start

When it comes to D.C. United – the Timbers' Wednesday night opponent at Audi Field (5pm PT, ROOT SPORTS) – there is only so much to know, something that makes these traditional Know Your Opponent previews a little difficult. In fact, when you look at the top-level, cursory things that fuel our assumptions about one of MLS’ originals, it turns out there might be a lot to un-know.

That may sound a little Rumsfeldian, but the former Secretary of Defense did, 16 years ago, have a moment of rhetorical inspiration when describing different levels of knowledge. In a Department of Defense briefing, Donald Rumsfeld described information in terms of known knowns (loosely, things we can be certain we…