Ted Miller Colorado gets an early -- and chilly? -- start to spring practices Monday, leading the Pac-12 out of the gate.Not to be caught off guard, here are five major issues confronting the South Division as spring practices begin.1. Quarterback questions: UCLA has a wide-open quarterback competition to replace Brett Hundley, though many seem to think it's touted true freshman Josh Rosen's job to lose. While that's the only truly wide-open spring competition in the South, other teams have QB issues. Originally posted by ESPN.com - Pac-12 Blog Click here to view the article.