Losing. It hurts. Especially when a trip to the BCS national championship game is on the line.
That's what Kansas State and Oregon found out last weekend, and that -- plus NFL, hoops and more -- is what Playbook and the aptly named Tumblr "The Agony of Defeat" aims to show in this collection of sad sports photos from the past week:
To see more photos like this, visit The Agony of Defeat on Tumblr.