David Ubben There's plenty of changes necessary for Nebraska's now ailing offense. Injured Iowa State quarterback Austen Arnaud wrote a letter to the fans before his final game. Cross former Oregon coach Mike Bellotti off the list of possible Dan Hawkins successors at Colorado. Special teams got it done for Oklahoma State. In case you missed it, you can get caught up on all the shenanigans from both sides of the Texas A&M and Nebraska game on Saturday. Oklahoma defensive back Jamell Fleming draws a big challenge in Justin Blackmon. Texas' home-field advantage isn't very scary anymore. Kansas State's quarterback situation is less than clear. Originally posted by ESPN.com - Big 12 Blog Click here to view the article.