Thursday is the 10th anniversary of one of the greatest days in college football this century.

Saturday, Oct. 15, 2005, was full of exciting games with improbable endings in matchups involving top teams. The headliner was clearly the “Bush Push,” which helped complete top-ranked USC’s comeback win over Notre Dame (and kept the Trojans’ long win streak alive), but there was much more that took place, making it one of the craziest, wackiest college football Saturdays in recent memory.

Consider the following:

-Ten games involving at least one Associated Press-ranked team were decided by five points or fewer. Seven of those games had the eventual game-winning score in the final 90 seconds or overtime.

-There were four comeback wins by teams that had a win probability below 5 percent at some point in their games, tied for the most such comebacks on any one day since the beginning of the 2004 season (the extent of ESPN’s play-by-play data). Each of those comebacks was in a game involving at least one AP-ranked team.

-There were two wins by unranked teams against AP top-10 opponents -- one that knocked a contender out of the national title race and one that later cost the loser a chance to play for the national title. There were two other wins by unranked teams against ranked opponents.

-Even in some of the lower-profile games, future standouts Pat White and Matt Ryan came off the bench to help lead amazing, improbable comebacks.

Below is a summary of some of the most exciting games on Oct. 15, 2005.

No. 1 USC 34, No. 9 Notre Dame 31

This game lived up to its pregame matchup quality of 98.9 (on a 0-to-100 scale), the highest for any regular-season nonconference game since 2005. Matt Leinart’s touchdown with three seconds left capped a fourth quarter that featured four lead changes. Earlier on the drive, Leinart hit Dwayne Jarrett for a 61-yard completion on fourth-and-9 from the USC 26, when USC’s win probability was at its lowest -- 7 percent.

ESPN Stats & Information

Michigan 27, No. 8 Penn State 25

Chad Henne hit Mario Manningham with a 10-yard touchdown pass as time expired. Earlier in the drive, Wolverines coach Lloyd Carr successfully lobbied game officials to put time back on the clock, which enabled the final play. Carr said, “That's as wild a game as I've ever been in -- just unbelievable.” Michigan’s lowest win probability was 2.0 percent (before its final drive), making it the day’s biggest comeback. Despite the rankings, this result was not an upset based on pregame Football Power Index projections: Michigan (17th in FPI) was a 59 percent favorite at home against FPI No. 20 Penn State.

West Virginia 46, No. 19 Louisvlle 44 (3 OT)

West Virginia rallied from a 17-point fourth-quarter deficit. The Mountaineers, at their lowest point, had a 2.5 percent chance to win (making this the third-biggest comeback of the day). The game went back and forth in the overtimes until Louisville’s two-point conversion attempt failed in the third overtime. Steve Slaton scored six touchdowns (five in the fourth quarter and overtime), and White, who came in as a backup, earned a 93 Total QBR in the game.

No. 12 UCLA 44, Washington State 41 (OT)

UCLA trailed essentially the entire game and was down 17 in the fourth quarter. At their lowest point, the Bruins had a 3.2 percent chance to win, making it the fourth-biggest comeback of the day. Drew Olson threw five touchdown passes, and Maurice Jones-Drew ran in for the winning touchdown. UCLA won despite an average win probability of 18 percent across all of the plays -- the sixth-lowest average win probability for any winning team in any game going back to the start of 2004.

Virginia 26, No. 4 Florida State 21

The Seminoles were seen as national title contenders, but they were derailed in this loss. (FPI gave Virginia, No. 34 in FPI, a 35 percent chance to beat FPI No. 15 Florida State.) Virginia took control early, led 26-10 at the end of the third quarter and won after having an average of 79 percent win probability across all plays.

No. 15 Ohio State 35, No. 16 Michigan State 24

This game featured three second-half lead changes. Ohio State scored two touchdowns in the last five minutes for the final margin. Of Troy Smith’s 10 completions, three were touchdown passes of 40 or more yards.

No. 23 Wisconsin 38, No. 22 Minnesota 34

This was a back-and-forth game until Minnesota took control in the third quarter, followed by Wisconsin rallying late in the fourth. Wisconsin blocked a punt (after Minnesota dropped the snap) and recovered the ball in the end zone for the winning touchdown with 30 seconds left. Wisconsin’s chance to win before the blocked punt was a game-low 2.1 percent (making it the second-biggest comeback of day). Wisconsin coach Barry Alvarez said, “When you think you've seen it all, you haven't seen it all.”

Oregon State 23, No. 18 California 20

This was the second-biggest upset of the day, per FPI: 41st-ranked Oregon State was given a 16.5 percent chance to win at 10th-ranked Cal. The game had four lead changes before Oregon State scored the final touchdown with 6:41 left. It was the third-most competitive game of the day in terms of win probability being closest to 50-50 across all plays.

No. 14 Boston College 35, Wake Forest 30

Boston College trailed by 17 points in the second quarter, took the lead in the third and trailed by nine late in the fourth before rallying to win. The Eagles had an 11 percent chance to win at their lowest point. Matt Ryan came in as a replacement and led two touchdown drives in the final 3:29. He had a 99 Total QBR on 10 action plays.

On the day that all of this excitement took place, the eventual national champion Texas Longhorns played a game that didn’t send the pulse racing. They scored on all five of their first-half possessions and rolled the Colorado Buffaloes 42-17. Seven games later, Texas beat USC for the national title –- in a game USC probably wouldn’t have been playing without the “Bush Push” play.