The starting offensive line -- (from left to right) Tyron Smith, Alex Parsons, Kristofer O'Dowd, Jeff Byers and Charles Brown -- go through walk-thru on Monday.
Matt Barkley passes to Brice Butler during 7-on-7 period.
Mitch Mustain gets tangled up with two linemen during team period.
Matt Barkley throws under an ominous sky.
