It's very possible Herbert stays at Oregon. He doesn't have a ton of experience as he was hurt some of last year. He'll have about 29 starts (if healthy all year). That's barely OK these days (still less than most like Trubisky and Maholmes and way less than Mayfield) but still not a lot.
X Factor - his TE, incoming Freshman, brother has committed to Oregon
Gut feeling says Herbert stays in Eugene.