39—Projected temperature in Fahrenheit degrees during the Notre Dame-USC game.
101—USC’s national rank in tackles for lost yardage through five games with just 27. In ’14, the Trojans tied for 47th in this category.
2012—Year Notre Dame last played USC when the Irish were undefeated.
2005—Year USC last played Notre Dame when the Trojans were undefeated.
1988—Year Notre Dame and USC last played when both the Irish and the Trojans were undefeated.
6—Head coaches/interim head coaches at USC since the 2009 season. Pete Carroll was replaced by Lane Kiffin, who was fired during the 2013 season and replaced by defensive line coach Ed Orgeron. Clay Helton replaced Orgeron when Orgeron stepped down prior to the Las Vegas Bowl against Fresno State. Steve Sarkisian landed the full-time job in 2014. Helton replaced the fire Sarkisian this week.
4—Number of head coaches/interim head coaches Notre Dame has faced when playing USC over the last four seasons. In 2012, it was Kiffin. In 2013, it was Orgeron. In 2014, it was Sarkisian. Tonight, it’s Helton.
2—Number of night games at Notre Dame Stadium in 2015 with the season-opener against Texas and Saturday’s clash with USC.
1988—Year the Irish last played two home night games until this season. Notre Dame played Michigan and Stanford in home night games 27 seasons ago, which is the last time the Irish won the national title.
6—Number of Notre Dame head football coaches that have won at least 50 games with the Irish. Brian Kelly’s victory over Navy last week was his 50th. He joined Knute Rockne (105), Lou Holtz (100), Ara Parseghian (95), Frank Leahy (87) and Dan Devine (53).
238—Yards rushing per game by Notre Dame, which is on pace to be the most by an Irish offense since 1996 when Lou Holtz’s 11th and final Notre Dame squad averaged 269.5 yards rushing per game, which ranked eighth nationally. The last time the Irish averaged at least 200 yards per game rushing was 2000 under Bob Davie (213.5).
1,685—Rushing pace of Irish RB-C.J. Prosise, projecting over a 13-game season. Prosise is averaging 129.8 yards rushing per game. Vagas Ferguson holds the Notre Dame single-season rushing record with 1,437 yards in 1979.
18.3—Average carries per game by C.J. Prosise, which projects to 238 carries over a 13-game season.
27.3—Average carries per game by Vagas Ferguson in 1979. His 301 carries in 11 games is a Notre Dame single-season record.
171.8—Combined yards rushing per game by USC running backs Tre Madden (333 yards, 66.6 ypg.), Ronald Jones II (307 yards, 61.4 ypg.) and Justin Davis (175 yards, 43.8 ypg.)
25:09—Time of possession per game by USC, nearly 10 minutes less per game than its opponents. The Trojans have lost time of possession in each of their first five games.