The 2007 USC Trojans football team (variously "Trojans" or "USC") represented the University of Southern California during the 2007 NCAA Division I FBS football season, winning a share of the Pacific-10 Conference (Pac-10) championship and winning the 2008 Rose Bowl. The team was coached by Pete Carroll and played its home games at the Los Angeles Coliseum.

The team entered the season with high expectations. It was ranked No. 1 in all national pre-season polls, picked unanimously to win the Pac-10 Conference and expected to contend for a national championship. Those hopes were dealt a major blow when the Trojans lost to 41-point underdog Stanford in a mid-season game that was named one of the greatest upsets in a season that became defined by them. After their second loss, there were questions as to whether the team would be able to even win their own conference, let alone compete nationally. However, USC defied mid-season expectations and rallied, finishing the season ranked No. 2 in the Coaches' Poll and No. 3 in the Associated Press (AP) Poll. By the end of the season various sports journalists said the Trojans were playing the best football of anyone in the country.

2007 USC Trojans football team

The Trojans were named national champion by Dunkel, became the first team to win (or share) six straight Pacific-10 titles, and were the first team in major college football to achieve six straight 11-win seasons. After the season, ten USC players were selected in the 2008 NFL Draft, with a school-record seven players selected in the first two rounds. Over the next four years, 25 more players from the 2007 USC Trojans football team were drafted into the NFL.

2007 USC Trojans football team

Before the season

Pre-season outlook

The Trojans ended the 2006 season with a victory in the 2007 Rose Bowl Game and a No. 4 ranking in both AP and Coaches polls, their fifth straight year winning the Pac-10 Championship and finishing in the top 4. During that 5-year period, the team won two national championships (2003, 2004). Prior to the 2007 season, the Trojans were ranked No. 1 in all national pre-season polls and were expected to challenge for the national championship. The team received a boost in the offseason when many draft-eligible juniors decided to return to school for their senior seasons; the holdover of talented veterans was a major factor in the Trojans being considered preeminent favorites for a national championship. As expected, USC was at the top of the first Coaches Poll of the season, released on August 3, 2007, with 45 of a possible 60 first-place votes; other teams receiving first-place votes were No. 2 Louisiana State University (LSU) with 4 votes, No. 3 Florida with 6 votes, and No. 5 Michigan with 2 votes. USC was also at the top of the first AP Poll, released on August 18, with 62 of 65 first-place votes, with No. 2 LSU receiving 2 votes and No. 3 West Virginia receiving one. In mid-August, all twelve experts polled by ESPN picked USC to win the season's BCS Championship Game. On August 29, 2007, the day before the season began, three of four experts at SI.com predicted USC would win the BCS Championship Game, attributing the decision to the Trojans defense.

2007 USC Trojans football team

In terms of overall talent, Carroll stated that the 2007 squad is the "most competitive team we've had" during his six-year tenure as coach. Senior starting quarterback John David Booty entered the season as a front-runner for the Heisman Trophy. Booty, along with returning senior tackle Sam Baker, were ranked as two of the "Top 20 Players Heading Into 2007" by Sports Illustrated.

The Trojans entered pre-season fall camp well stocked at the running back position, with 10 former high school Super Prep All-Americans, nine of whom were Prep Star all-Americans and seven were Parade all-Americans. The exceptional running back situation at USC was a major factor in Sports Illustrated forecasting the 2007 season as "The Year of the Running Back." In judging USC as a pre-season favorite, particular emphasis was made on the defense. Considered to be one of the best defenses during the 2006 season, the Trojans entered 2007 with 10 returning starters and key backups. After a one-season experiment with the 3–4 defense formation, the defense returned to using the 4–3. The highlight of the defense was the linebacking corp, led by Brian Cushing, Keith Rivers and Rey Maualuga.

At the Pacific-10 Conference media day, the Trojans were the unanimous pre-season pick to win the conference; this was USC's fifth year in a row as the favorite to win the conference title, and only the third time in conference history that a team had been picked unanimously (the other two were USC in 2004 and 2005).