Kevin Gemmell Starters in, starters out. That's college football. Players' eligibility expires and they leave for the rest of their lives, which might include the NFL or not. And they leave behind shoes of various sizes that need to be filled. In alphabetical order, we will survey each Pac-12 team’s most notable void. Today we look at Colorado. Biggest shoes: WR Paul Richardson Richardson leaves Colorado as one of its most accomplished receivers. He’s third all-time in receptions (156), fifth in receiving yards (2,423) and second in touchdowns (21). Originally posted by ESPN.com - Pac-12 Blog Click here to view the article.