Ted Miller Colorado's most explosive player sat on the sidelines last fall stewing with a knee injury. He watched his teammates get stomped on a weekly basis. He heard the catcalls in the stands. He saw the smirks from opponents. It wasn't fun."Excruciating is a good word for it. It was pretty painful," Buffaloes receiver Paul Richardson said. "All I could think about last season was what I could have done or how I could have helped."And Richardson knows exactly what people think of Colorado as the calendar flips into 2013. Originally posted by ESPN.com - Pac-12 Blog Click here to view the article.