According to PFF, QB hurries/pressures at the college level tend to be one of the biggest predictors of pass rush success at the NFL level. Of course it isn't the end all, be all, but the data shows a strong correlation.
That's not uncommon at all. Most HS players play both ways and often don't play the position they end up playing in college. If it wasn't until his senior year in college that he played on the DL, that would be a red flag.
On Rich Eisen, Frank said they wanted a tackle, had tackles in mind, Ballard was wheeling and dealing, but it never worked out. It just didn't happen.
I can't see them rolling with Tevi. They're making some move.