The note, stat or trend you need to know about each top-25 team in action on Saturday.
1 Alabama at Duke, 3:30 ET on ABC
Alabama is one of three FBS schools (along with Arizona and Baylor) that’s yet to allow a touchdown on defense this season. The Tide leads the nation in scoring defense at 3.0 points per game.
Ohio at 2 Ohio State, Noon ET
The Buckeyes haven't lost to another team from the state of Ohio since dropping a 7-6 decision to Oberlin in 1921. That's 41 straight games without a loss (35 straight wins).
3 Boise State at Wyoming, 8 ET
Wyoming plays its second consecutive top-five opponent after facing No. 5 Texas last week. This is the first time in school history the Cowboys have faced top-five teams in back-to-back weeks. Boise State will join the Mountain West Conference in 2011. Since the inception of the conference in 1999, the Broncos are 11-1 against MWC opponents.
Baylor at 4 TCU, 4:30 ET
Excluding season openers, this is just the sixth time in 106 meetings between the schools that both teams are undefeated.
Portland State at 5 Oregon, 6:15 ET
The Ducks have scored 120 points in 120 minutes this season. Yet that’s good enough for only the second-best scoring offense in the country. Houston has scored 122 points in its first two games.
6 Texas at Texas Tech, 8 ET on ABC/ESPN2
Texas is searching for a running game and will be starting its third different tailback in three games this season. Cody Johnson started the opener vs Rice (15 rushes, 59 yds, 0 TD), and Tre' Newton started last week against Wyoming (8-23-0). Fozzy Whittaker gets the start at Texas Tech.
Air Force at 7 Oklahoma, 3:30 ET
Oklahoma carries a 32-game home win streak into the contest, longest active streak in the nation. This game is the third of three straight home games for the Sooners.
8 Nebraska at Washington, 3:30 ET on ABC/ESPN2
Nebraska QB Taylor Martinez has produced a number of big plays thus far. He’s averaging 13.5 yards per rush, easily the highest average among players with 15 attempts.
9 Iowa at 24 Arizona, 10:30 ET on ESPN
This marks the first time since Oct. 26, 1991 that Arizona will host a non-conference AP top 10 team. In that game, the Wildcats fell to No. 2 Miami 36-9. The last time Arizona won a non-conference home game against a top-10 team was Sept. 16, 1989 (6-3 win over No. 6 Oklahoma).
10 Florida at Tennessee, 3:30 ET
Florida has won 10 consecutive true road games, the longest streak in school history. Florida went 12-0-1 in true road games during a stretch from 1993-96, with a 31-31 tie against Florida State in 1994.
Florida vs Tennessee Under Urban Meyer
Arizona State at 11 Wisconsin, 3:30 ET on ABC/ESPN2
Wisconsin has won 26 straight non-conference, regular-season games. That is the third longest active streak, behind LSU and USC. The last Wisconsin non-conference loss before bowl season came in 2003 to UNLV.
12 Arkansas at Georgia, Noon ET on ESPN
The Razorbacks’ offense has been efficient in the red zone. They are nine-for-nine inside the 20-yard line, with eight of those resulting in touchdowns.
Furman at 13 South Carolina, 7 ET
Head coach Steve Spurrier is a perfect 39-0 against teams from non-BCS AQ conferences, including 13-0 at South Carolina.
14 Utah at New Mexico, Saturday, 8 ET
New Mexico has allowed 124 points through two games, by far the most in the country (Western Kentucky is second with 112).
Mississippi State at 15 LSU, 7 ET on ESPNU
LSU has won 10 straight against Mississippi State by a combined score of 404-131. The last Mississippi State win came in 1999, and their last win in Baton Rouge came in 1991. LSU has played Mississippi State more than any other team. This will be their 104th meeting in a series that dates to 1896.
Clemson (2-0) at 16 Auburn (2-0), 7 ET on ESPN
Auburn has won the last 13 meetings. Clemson’s last win was 1951.
18 USC at Minnesota, 3:30 ET on ESPN
The Trojans have won 18 straight non-conference games and a school-record 11 straight non-conference road games.
Wake Forest at 19 Stanford, 11:15 ET on ESPN2
Stanford is 2-0 for the first time since 2004, and is looking for its first 3-0 start since 2001 under Ty Willingham. The Cardinal have started 3-0 just four times in the last 35 seasons.
Massachusetts at 20 Michigan, Noon ET
Denard Robinson has a chance to become the first 2,000/2,000 player in major-college history. The FBS record for rushing yards by a 2,000-yard passer is 1,427 by UAB's Joe Webb last season. UMass hasn’t beaten a FBS team since 1984 (Ball State). The Minutemen have lost 11 straight games against FBS teams.
Maryland at 21 West Virginia, Noon ET on ESPNU
The ACC has just four wins against non-conference FBS opponents this season, with one of those being Maryland’s win against Navy. The other wins include Clemson over North Texas, Boston College over Kent State, and NC State at UCF.
Kent State at 22 Penn State, Noon ET on ESPN2
The Nittany Lions are looking for their 500th victory since Joe Paterno joined the coaching staff in 1950. Paterno himself is five wins shy of 400 for his career.
23 Houston at UCLA, 10:30 ET
Cougars lead the nation in scoring, averaging 61.0 points per game. They have also scored more touchdowns (17) and are tied for the most red zone trips (15) in the nation.
Louisville at 25 Oregon State, 5:30 ET
The Beavers have won 26 of their last 27 home non-conference games (lost its last – 28-18 vs Cincinnati in 2009).