Some notes to get you through the hours until Saturday. Thanks to ESPN Stats & Information for many of these numbers.
Arizona is tied for ninth in FBS, committing just 3.3 penalties per game. Washington commits a whopping 12.0 per game, which ranks tied for worst in FBS.
Arizona-Washington features a matchup of two of the best running backs in the nation. Arizona's Ka'Deem Carey averages 149.5 yards per game, though he sat out the opener for disciplinary reasons. Washington's Bishop Sankey injured his shoulder against Idaho State last week after rushing the ball four times for 77 yards. Early reports indicate he will play this week. Sankey rushed for at least 161 yards in the first two games this season and has scored a touchdown in all three games. He averages 148.7 yards per game.
Washington is 3-0 for the first time since 2001, which is also the last season the Huskies went 4-0. Arizona is 3-0 for the second consecutive season, but the Wildcats proceeded to lose their next three games after starting 3-0 last season.
Washington's offense has been explosive so far. The Huskies have gained at least 500 yards in all three games and at least 600 yards in each of the last two games. Both are first-time occurrences in school history. The Huskies rank third nationally in total offense (629.0 yards per game). Washington is one of eight teams this season (and the only team in the Pac-12) that hasn't trailed in a game yet.
Washington's Keith Price hasn't been bothered by pressure this season. Price has completed 20-of-23 passes (87 percent) with four touchdowns when facing five or more pass rushers this season. Last season, he completed 59 percent of his passes against added pressure.
Washington's No. 16 ranking this week is its highest since the week of Sept. 29, 2002 (ranked 12th).
Arizona is looking to go 2-0 on the road this season. The Wildcats won a total of two road games the previous two seasons combined (2-8).
USC has owned the series with Arizona State of late, winning 12 of the last 13 meetings between the schools dating to 2000 (includes vacated win in 2005). However, the Trojans' lone loss over that span came the last time the teams met in Tempe in 2011. The Sun Devils haven't won consecutive home meetings against USC since 1996-97.
Marqise Lee has made nearly 42 percent of USC's receptions over the last two seasons, the second-highest rate by any player in the FBS. The bad news is that having one main target hasn't led to wins. The players' teams in the top five of this list are a combined 13 games under .500 since the start of 2012.
Arizona State's Marion Grice has scored eight TDs from scrimmage this season (6 rush, 2 rec), tied for most in the FBS and is the most by a player through three team games since Jahvid Best had nine for Cal in 2009 (8 rush, 1 rec). In the last 10 seasons, the most through four team games is 12 by Nevada's Stefphon Jefferson in 2012 and Temple's Bernard Pierce in 2011.
Arizona State quarterback Taylor Kelly posted a 14.0 Total QBR in Arizona State's 38-17 loss at USC last season, his second-lowest Total QBR of his career. Kelly threw three interceptions and was sacked seven times in that game. Kelly now gets his chance at home, where he has been a much different quarterback in conference games. He has completed 72.5 percent of his passes and has a 63.9 Total QBR in four home conference games, compared to a 58.3 completion percentage and a 49.2 Total QBR in six road conference games.
This is the first meeting of Oregon State and Colorado as Pac-12 members. The Buffaloes lead the series 3-2, including a 28-21 win in 1988, the team's last meeting.
There should be plenty of passing in this game. Buffs QB Connor Wood has passed for 370.5 yards per game, which ranks fourth in the nation, while Oregon State's Sean Mannion has passed for 401.0 yards per game, which ranks second in the nation. Mannion also leads the nation with 15 touchdown passes. His top target is Brandin Cooks, who leads the nation with 10.8 catches per game and has caught seven of Mannion's TD throws. Meanwhile, Woods has Paul Richardson, who leads the nation with 208.5 yards receiving per game.
The last time these teams played, Colorado rallied from a 21-16 fourth quarter deficit to pull out a 28-21 win. Buffs RB Eric Bienemy carried the ball 20 times for 211 yards and three TDs, including a 66-yard TD run in the fourth quarter to put Colorado on top. Oregon State QB Erik Wilhelm was 27-of-38 for 353 yards and 2 TDs.
Oregon is the only FBS school yet to commit a turnover this season. The Ducks are the first team without a giveaway in their first three games of a season since 2010, when both Oregon State and Kentucky did it. Oregon State's streak would reach four games in 2010, tied with Purdue in 2004 for the longest to start a season in the last 10 years.
Oregon has won four straight in the series against California by an average margin of 27.8 points per game and won nine of the last 10 meetings in Eugene. Oregon also has won 30 straight against teams outside the AP Top 25 since falling at Stanford on Nov. 7, 2009.
Oregon has scored touchdowns on 59.5 percent of its offensive drives this season, the highest rate in the FBS. Over the last 10 seasons, only two FBS schools (2008 Tulsa and 2011 Wisconsin) scored TDs at a more efficient rate through their first four games of a season.
California has run 94.7 plays per game under new coach Sonny Dykes, second-most in FBS. Last season, the Golden Bears ran 68.1 plays per game, three fewer than the FBS average.
Oregon has scored at least 50 points in each of its three games this season. It's the first time the Ducks have scored 50-plus in three straight games to begin a season and the fifth times they've done it in any three-game stretch of a single season. The Ducks have never scored 50-plus in four straight games in a single season.
Stanford has owned its series with Washington State of late, winning five straight and seven of the last nine meetings.
This week marked the fifth straight AP poll that Stanford has been ranked in the top five. That sets a new school record, surpassing the four-week span in 1940, a season in which Stanford finished 10-0 and won the Rose Bowl.
The Cardinal have won 11 straight games and can tie the third-longest win streak in school history with a win this week.
Stanford is 15-1 in its last 16 August/September games. But the one loss came to Washington last season in this very stadium (CenturyLink Field).
Washington State hasn't beaten an AP top-five opponent since the 2003 Holiday Bowl over Texas (seven straight losses since). The Cougars haven't won a regular season meeting against a top-five team since the 1992 Apple Cup victory over No. 5 Washington.
Stanford has forced its opponent to turn the ball over at least once every game since Oct. 1, 2011 against UCLA. The 27-game streak is the longest active streak in the Pac-12 and the second-longest in the FBS. It's the longest such streak for Stanford since a 26-game run spanning the 2004-06 seasons.
Washington State is looking to win its first two conference games in a season for the first time since 2003. That was also the last season the Cougars went to a bowl game. With a win, Washington State will surpass its win total from a year ago, when it went 3-9.
Washington State coach Mike Leach has always been a fan of the passing game, but facing Stanford will be a daunting task. Stanford has sent four or fewer pass rushers on 76 percent of its opponents' dropbacks in the last two seasons, the 25th-highest percentage among AQ schools. When sending standard pressure, the Cardinal have an AQ-high 46 sacks in the last two seasons.