Big 12 lunchtime links: Ambrose promoted on Colorado staff

Posted by ESPN.com's Tim Griffin

If it's May, it must be time to be analyzing whether former college players will be able to make the next step and make a professional team as they travel to their NFL minicamps.

We've got several stories about former Big 12 players like that, but also some other stories about the conference for your lunchtime edification as well.

Here are today's offerings.