Here's a look around the league at some of the highlights of 2013 spring ball:
Half the league still deciding on quarterback
Six teams are still figuring out their quarterback positions and competitions at USC, Cal, Arizona, Oregon State, Washington State and Colorado weren't resolved in the spring. USC's final spring depth chart had sophomores Max Wittek and Cody Kessler as co-starters along with true freshman Max Browne. California's troika of freshmen Jared Goff, Zach Kline and junior Austin Hinder were also tied atop the depth chart. Arizona will decide between senior B.J. Denker and junior Jesse Scroggins, with Denker the favorite heading into the fall (although incoming freshman Anu Solomon could challenge). Veterans Sean Mannion and Cody Vaz are both still in the mix for the Oregon State starting job, while junior Connor Halliday appears to have an edge over freshman Austin Apodaca at WSU. Due to injuries and transfers, Connor Wood looks like the de facto starter at Colorado, but the competition will begin anew in the fall with the arrival of highly regarded freshman Sefo Liufau.
In a league where quarterback play is crucial, these six teams will enter the 2013 season at a bit of a disadvantage.
Breakout Stars -- Five to Watch
Andrus Peat, OT, Stanford -- The celebrated recruit played some as a true freshman last fall, but now he appears on track to take over the left tackle spot for the Cardinal, prompting All-American David Yankey to move to his more natural left guard position. Peat's combination of size and athleticism is rare, and he could be well on his way to earning post-season honors in his own right.
Kenny Lawler, WR, California -- After redshirting last fall, Lawson came into his own during spring ball, showing great hands, speed and body control. He appears to have taken to Cal's new offensive scheme, and he's listed as one of the starters at wide out heading into the fall.
Nelson Agholor, WR, USC -- The true sophomore caught 19 passes last season for the Trojans, but he was one of the breakout stars of spring. With the season-ending injury to fellow wide out George Farmer, the stage is set this fall for a lot of balls to be thrown Agholor's way. He'll see lots of single coverage with Biletnikoff Award winner Marqise Lee roaming the opposite side of the field.
Travis Wilson, QB, Utah -- The tall, athletic sophomore made a lot of progress in spring drills and capped things off with an excellent performance in the spring game. He was 13 of 17 for 210 yards and two touchdowns as the Utes offense finally started showing signs of life. Look for Wilson to develop into a capable Pac-12 starter come fall.
Chidera Uzo-Diribe, DE, Colorado -- A relative newcomer to football, Uzo-Diribe made great strides last fall, leading the Buffs in tackles for loss (10 1/2) and sacks (seven). With another strong spring under his belt, he should be one of the bright spots for a rebuilding program and one of the better ends in the league.
Addison Gillam, LB, Colorado -- The 6-foot-3, 220-pound true freshman took advantage of injuries and played well enough to be inked atop the depth chart at middle linebacker when spring ball came to a close.
Edwin Delva, DT, Oregon State -- The big, rangey junior college transfer was impressive in his first spring for the Beavers. Look for him to anchor an OSU line that is already strong on the edges.
Su'a Cravens, S, USC -- The highly decorated recruit was well on his way to earning a starting job at safety before suffering a meniscus injury that will sideline him until summer. However, the playmaker is expected back for fall camp and should be a factor for the Trojans in 2013.
Jared Goff, QB, Cal -- Goff, a true freshman, battled hard for the starting quarterback position at Cal and left spring as a co-starter. One advantage he had was that, unlike his competition, he did not have to unlearn Jeff Tedford's offense. If he continues to improve, he could see playing time for the Bears.
Some notable players who transferred out of or left Pac-12 programs this spring: Colorado QB Nick Hirschman, UCLA S Tevin McDonald, Oregon QB Bryan Bennett, Cal QB Allan Bridgford, USC TE Junior Pomee.
Spring Practice Video Highlights
Marshawn Lynch straps it on one more time for the Bears:
Stanford's spring game:
The sights and sounds of Arizona's spring game:
USC's Nelson Agholor makes a one-handed catch in spring practice:
Washington DB coach Keith Heyward mic'd up: