1. The four leading offensive linemen — Jacob Alsadek, Layth Friekh, Freddie Tagaloa and Gerhard de Beer — must stay healthy and be productive. If you don’t have a prominent offensive line, you can’t win in the Pac-12.
Four things that have to go right for Arizona to have a successful season
Senior guard Jacob Alsadek, who has started 33 games, is one of Arizona's best players and leaders.
Hansen tells you what to watch for during the upcoming college football season.
