• Owner of the nation's longest active winning streak at 14 games, No. 3/3 Oklahoma hosts Iowa State on Saturday at 11 a.m. CT in the 82nd meeting between the programs.
• Lincoln Riley is just the third head coach in OU history (out of 22) to start his career 4-0. A win against Iowa State would make him the second coach to start 5-0, joining V.L. Parrington (won first six games; 1897-99).
• Oklahoma owns a 74-5-2 (.926) all-time record against Iowa State and is 38-3-1 vs. the Cyclones in Norman. In the Big 12 era, the Sooners hold a 13-0 series advantage (7-0 at home).
• Since the start of the 1999 season (Bob Stoops' first as OU head coach), the Sooners are 12-0 against Iowa State and have won all of those games by double digits. The average score in those contests has been 40-10. In OU's six home games against ISU during that period, it has outscored the Cyclones 261-38 (average of 44-6). OU has given up only three touchdowns in those six contests.
• Oklahoma has won 17 consecutive Big 12 Conference games, tied for the longest streak in school history (also won 17 from 2003 to 2005) and tied for the third longest in the league since it formed in 1996. Only Kansas State (21; 1997-99) and Texas (20; 2004-06) hold longer streaks.
• Saturday will mark 385 days since OU's last loss and 728 days since its last Big 12 defeat.
• This week marks the 128th time since the start of the 2000 season that OU has been ranked in the top five of the AP poll. Only Alabama (134 times) has more top-five rankings during that period.
FOR THE FANS
• Two hours before each home game, head coach Lincoln Riley and the Sooners will disembark the team buses immediately west of the intersection of Lindsey St. and Jenkins Ave. for the "Walk of Champions." A pep rally, conducted by OU Spirit, will be held 15 minutes prior to the team's arrival. This week's pep rally will be at 8:45 a.m. with the team arriving at 9 a.m. Fans are encouraged to cheer on the team upon arrival and watch as Coach Riley and the squad
• Sooner Fan Fest will be held in the Rhyne Hall parking lot directly east of McCasland Field House. It opens at 8 a.m. off Jenkins Ave. and concludes at 10:30 a.m. Fans will have the opportunity to meet Boomer and Sooner and have their photos taken with the Sooner Schooner, the mascots and members of the OU spirit squads at the OU Marketing trailer. Activities at Fan Fest include a live band, a jumbotron showing games from around the country and interactive booths. Food will be available from the following food trucks: Midway Deli, The
• The U.S. Army College Leadership Tour will also be at Fan Fest this week with a fun, free and interactive opportunity for fans to learn more about the U.S. Army. The program is focused on physical fitness and mental
FIVE KEY STORYLINES
• Oklahoma has won 18 straight games against Iowa State, good for the Sooners' longest active winning streak versus an opponent. ISU's only win against OU since 1961 was a 33-31 victory in 1990 in Norman. The Sooners are 45-1-1 in the last 47 meetings against the Cyclones.
• OU is 117-26 (.765) in Big 12 play since the start of the 2000 season. That's 18 more wins than the team with the next most victories during that period (Texas; 99-44) and 36 more than the team with the third most (Oklahoma State; 81-63).
• The Sooners have scored at least 30 points in all 14 games of their current winning streak. It is the longest streak of 30-plus-point performances in school history (previous was 13 straight games in 2008). OU is averaging 46.9 points (657 total) during its current win streak (high of 66, low of 34).
• After finishing fourth in Heisman Trophy voting in 2015 and third in 2016, quarterback Baker Mayfield is off to his best career start in 2017. In three-and-a-half games (he did not play after halftime against UTEP), Mayfield is 76-for-101 (75.2 percent) through the air with his 13 touchdowns and no interceptions. He is averaging 332.2 passing yards per game and 189.9 per half played. Mayfield leads the nation with his 228.3 pass efficiency rating (next best is 188.3) after last year setting the FBS single-season record with a 196.4 mark.
• Oklahoma boasts one of the best big-play passing attacks early in 2017. The Sooners have already completed 29 passes of 20-plus yards, good for a nation-leading 7.3 per game. Conversely, OU has allowed just seven completions of 20 or more yards (1.8 per game). The Sooners are also the only team in the country with two completions (and three plays overall) from scrimmage of at least 80 yards.
HOME IS WHERE THE "W" IS
• Oklahoma has won more Big 12 championships over the last 18 years (10) than it has lost home games. OU is 103-9 (.920) at Gaylord Family – Oklahoma Memorial Stadium since the start of the 1999 season, with all 112 of those games sellouts. It is the best home winning percentage among Power Five schools over the last 18-plus seasons (Ohio State is next at .877). OU has outscored its opponents by an average of 42-16 in those games.
SCOUTING IOWA STATE
• Iowa State travels to Norman the owner of a 2-2 overall record after dropping its Big 12 opener at home to Texas on Thursday, 17-7. The
• The Cyclones are under the direction of second-year head coach Matt Campbell. Despite a 3-9 record last year, Campbell directed an Iowa State team that broke school records for the Big 12 era in total offense (439.8
• ISU ranks 55th nationally this season in scoring offense (32.8 ppg), 67th in total offense (409.0
• Senior wide receiver Allen Lazard leads the team with 24 receptions. His 6.0 catches per game rank fifth in the Big 12. Redshirt sophomore receiver Hakeem Butler averages a team-high 74.0 receiving yards per contest, as well as 15.6 yards a catch. Both have three touchdowns.
• The defense, which ranks 59th and 66th by giving up 24.8 points and 379.5 yards per game, respectively, is anchored by redshirt senior linebacker Joel Lanning. The former quarterback, who switched to defense last spring, ranks second in the Big 12 with his 11.5 tackles per outing. He registered 20 tackles against Texas, most in the league this year.
LAST YEAR VS. THE CYCLONES
• Oklahoma registered 320 first-half yards en route to a 28-17 halftime lead and tacked on a pair of second-half field goals in posting a 34-24 win at Iowa State on Thursday, Nov. 3, 2016.
• Fullback Dimitri Flowers, who entered the game with no official career carries, took over primary rushing responsibilities with Samaje Perine and Joe Mixon missing the game due to injury and
• Quarterback Baker Mayfield threw four first-half touchdown passes and finished 25-for-34 for 328 yards. It marked his fourth straight game with at least four TD passes.
• Mark Andrews hauled in his sixth TD catch of the season with a six-yard reception on the game's first drive. Jeffery Mead's 30-yard catch and run late in the first quarter gave OU a 14-3 lead. It was his second TD catch of the year and third of his career.
• Defensive end D.J. Ward led the Sooners with seven tackles, six of them unassisted. Entering the night, he had 10 total tackles in seven games on the year, five unassisted.
• OU outgained Iowa State 477 yards to 290. It was Cyclones' second-lowest total of the season (they entered the game averaging 392.8 yards per contest).
NOTING OU'S 14-GAME WINNING STREAK
• Since losing 45-24 to No. 3 Ohio State on Sept. 17 last season, Oklahoma has rattled off 14 straight victories, good for the nation's longest streak and tied for the seventh longest in OU history. Six of those 14 wins have come against teams ranked at the time of competition.
• The Sooners have outscored their last 14 opponents by 299 points (an average of 21.4) and have outgained them by an average of 175.3 yards. On the ground, OU is outgaining teams by an average of 83.8 yards (240.4-156.6) during the streak.
• Since Oct. 1, 2016, (OU's first win of the streak), the Sooners rank first nationally in completion percentage (73.4), passing TDs (49), TD percentage (12.2 percent of passes), efficiency rating (211.3; next highest is 174.3), yards from scrimmage (8,198) and yards from scrimmage/game (585.6; next most is 534.6).
• OU leads the nation since Oct. 1, 2016, with 86 touchdowns from scrimmage, 90 total touchdowns, 657 points and 46.9 points per game.
OFFENSE ROLLING DESPITE LOSS OF KEY WEAPONS
• Despite losing three highly accomplished skill players to the NFL Draft in the spring, Oklahoma leads the nation in offensive yards per game (605.5) and yards per play (9.1) in 2017. The departed trio of Biletnikoff Award winner Dede Westbrook (1,524 receiving yards, 18 total TDs last year), Samaje Perine (OU's all-time rushing leader; 1,060 rushing yards, 12 rushing TDs last year) and Joe Mixon (single-season OU record of 2,331 all-purpose yards, 16 TDs last year) accounted for 5,447 all-purpose yards and 47 touchdowns last season.
• Last year the Sooners averaged 7.5 yards per play, the second-highest figure in school history (the 1971 team averaged 7.6), but this year's team is averaging 1.6 yards more per play. OU's 9.1 yards per play are almost a full yard more than the team with the second-highest average (Miami [Fla.]; 8.2).
• The Sooners' 10.6 and 10.2 yards per play the last two games versus Baylor and Tulane, respectively, rank as the fourth and fifth-highest averages in program history.
• OU leads the country in percentage of possessions that end in a touchdown (54.2 [26 of 48]; next highest figure is 47.5 by Alabama) and points per possession (3.9; Alabama is second at 3.8).
• Thirteen Sooners have already scored at least one offensive touchdown this year, one more player than all of
SOONERS LEAD NATION IN YARDS-PER-PLAY DIFFERENTIAL
• Oklahoma leads the nation by averaging 9.1 yards per play while only surrendering 4.8 yards per snap. That means OU is averaging 4.3 more yards per play than its opponents, good for the nation's best differential. Miami (Fla.) and UTSA rank No. 2 with a +3.6 yards-per-play differential and are followed by Washington (+3.2) and Oklahoma State and Alabama (+3.0).
• OU leads the country with its 3.0 plays per game of at least 40 yards and with its 0.8 plays per contest of at least 80 yards. Its three plays of 80-plus yards have been registered by different players (Abdul Adams 99-yard run at Baylor, Marquise Brown 87-yard catch vs. Tulane and CeeDee Lamb 82-yard reception vs. Tulane). OU logged just one play of 80 or more yards last season.
DEFENSE OF TO STRONGER START
• After encountering rough patches the first half of last season, Oklahoma's defense is off to a much better start in 2017. Through four games, OU is allowing 19.5 points and 332.8 yards per contest to rank 32nd nationally in each category. Last season, the Sooners surrendered 28.8 points and 432.0 yards per game on the season to rank 68th and 82nd in the country.
• A year after allowing 269.4 passing yards and 2.2 passing touchdowns per outing on the season, OU has limited its first four opponents to an average of 198.5 passing yards and 1.0 passing TD per game.
• Senior defensive end/linebacker Ogbonnia Okoronkwo leads the Big 12 with 4.5 sacks (1.1 per game) and ranks second with 1.9 tackles for loss per contest (7.5 total). He has 17.5 career sacks to rank second at OU among linebackers.
• Baker Mayfield has thrown a touchdown pass in a school-record 30 consecutive games. He's thrown at least two TD passes in 17 consecutive contests (53 TDs to eight interceptions during the stretch), tying Sam Bradford's Big 12 record for consecutive games with multiple TD passes.
• Mayfield has thrown 18 TD passes since his last interception, which came seven games ago at West Virginia. He has attempted 152 consecutive passes without being intercepted, tied for the second-longest streak in OU history (Jason White attempted 198 straight passes without an interception in 2004).
• Mayfield's 13 TD passes this year are the most by any quarterback who has not thrown an interception. NC State's Ryan Finley has nine and Appalachian State's Taylor Lamb has eight.
• Oklahoma's 14-game winning streak is tied for just seventh longest in school history.
• The Sooners have gone six straight games without throwing an interception, marking the first time they've accomplished the feat since the 1986 season (went seven games without a pickoff). They are one of five teams to not throw an interception this year.
• Fourteen Sooners caught at least one pass last season. Through four games this year, 17 Sooners have made at least one reception (14 had at least one catch in the season opener against UTEP).
• The Sooners are 4-0 to start a season for the fourth time in the last five years. They're looking to go to 5-0 for the fifth time in the last 18 seasons and
• The Sooners are 31-2 (.939) at home as the AP's No. 3 team.
• Oklahoma is 17-4 (.882) in Big 12 home openers.