It may not matter who wins the UCLA quarterback job if the five guys standing in front of him can't keep him in games.
The rash of position switches has led to some predictably rough moments. Snaps have flown over quarterbacks' heads, and the linemen have been repeatedly beaten by an aggressive pass rush.
"There have been some tough times out there," Burton acknowledged Tuesday, "but we're just grinding through it and that definitely builds that chemistry between us."
The Bruins have used many quick-developing plays as part of coach Chip Kelly's blur offense, though Kelly said they were not designed to help mask any weaknesses along the offensive line.