Ted Miller Spring has sprung, which means every team can show you hope in a handful of grass -- real or artificial.Some Pac-12 teams have already started, such as Colorado and Stanford, and others begin this week, such as Arizona, Oregon State and USC. Others start later.But it feels like the right time to take a look at 10 burning issues in the conference. Please keep your hands clear of this post, as it is sizzling hot.1. Life after Marcus Mariota at Oregon: You might recall Oregon's quarterback over the past three years was a pretty fair player. Originally posted by ESPN.com - Pac-12 Blog Click here to view the article.