With Indiana's loss to Butler, Duke became the undisputed No. 1 team this week. The Blue Devils are still undefeated and have three wins over top five teams.
Meanwhile, Arizona cracked the top five for the first time this season with its thrilling win over Florida on Saturday night.
Read on to see the complete Top 25.
Oregon, 26 points
Kentucky, 22 points
Pittsburgh, 21 points
Baylor, 14 points
UCLA, 13 points
Wyoming, 13 points
Colorado, 12 points
Maryland, 6 points
Miami (FL), 5 points
Memphis, 3 points
Wichita State, 2 points
VCU, 2 points
Last Week's Rank: 22
Notable Wins: None
North Carolina struggled against East Carolina on Saturday, but the Tar Heels managed to come away with a 93-87 victory. Five players scored 10 or more points in the win.
The Tar Heels next game will be against the struggling Texas Longhorns.
Last Week's Rank: Not Ranked
Notable Wins: Marquette (Neutral), UNC (Neutral), Northwestern (Road), Indiana (Neutral)
Butler cracked the Top 25 this week with a stunning win over Indiana in overtime. The Bulldogs erased a seven-point deficit in the second half and a four-point disadvantage in the extra period to win on Alex Barlow's layup with 2.5 seconds remaining.
The Bulldogs will return home on Saturday for the first time since December 5th to face 6-4 Evansville.
Last Week's Rank: 24
Notable Wins: Tennessee (Neutral), NC State (Neutral), South Florida (Home)
Oklahoma State easily defeated Central Arkansas on Sunday for its third straight win. The Cowboys' last six wins have all come by double figures.
This week, the Cowboys play a pair of cupcakes against Texas-Arlington and Tennessee Tech.
Last Week's Rank: 23
Notable Wins: Kentucky (Home)
Notre Dame defeated Purdue at the Crossroads Classic on Saturday for its seventh win in a row. With the 81-68 victory, the Fighting Irish's last eight wins have come by 10 points or more.
On Monday, Notre Dame starts a relatively easy home stretch with a game against IPFW.
Last Week's Rank: 21
Notable Wins: UConn (Neutral)
North Carolina State easily got by Norfolk State during the weekend for its third straight win. Senior Richard Howell put together his third consecutive double-double with 12 points, 19 rebounds, five assists and five blocks.
The Wolfpack continue their home stand with games against Stanford and Saint Bonaventure this week.
Last Week's Rank: 18
Notable Wins: Kansas (Neutral)
During Michigan State's four-game winning streak, the Spartans' average margin of victory is 31.3 points.
The Spartans will look to continue their streak against Bowling Green and Texas this week.
Last Week's Rank: 20
Notable Wins: Iowa State (Home), California (Road)
In its only game of the week, UNLV demolished Division III La Verne, 91-44. Freshman Anthony Bennett posted 27 points, 14 rebounds and three blocks for his third double-double of the season.
This week, the Rebels will face UTEP, Northern Iowa and Canisius.
Last Week's Rank: 14
Notable Wins: St. Joe's (Home), Arizona State (Neutral), California (Road)
Creighton continued to build its NCAA tournament resume over the weekend with a win at California. The Bluejays have now beaten four teams from BCS conferences away from home.
Last Week's Rank: T-16
Notable Wins: UCLA (Neutral)
Since losing to Syracuse in its season opener, San Diego State has won eight consecutive games. Junior guard Jamaal Franklin is currently fourth in the Mountain West in scoring (18.6 PPG) and third in rebounding (9.7 RPG).
Last Week's Rank: 19
Notable Wins: UCLA (Neutral), Tennessee (Home)
Georgetown took care of business last week with wins over Longwood and Western Carolina.
The Hoyas play their final non-conference game against American this week and then have a two-week break before opening Big East play at Marquette.
Last Week's Rank: T-16
Notable Wins: Davidson (Home), UConn (Neutral)
New Mexico defeated New Mexico State on Saturday to remain one of two undefeated teams in the Mountain West.
The Lobos will rematch New Mexico State on Wednesday and then host South Dakota State on Saturday.
Last Week's Rank: 14
Notable Wins: Memphis (Neutral), Stanford (Neutral)
Minnesota defeated North Dakota State, one of the top teams in the Summit League, on Tuesday for its seventh consecutive win. Trevor Mbakwe led the way with 14 points and 18 rebounds, his second double-double of the year.
The Golden Gophers will host Lafayette on Saturday and then begin Big Ten competition against Michigan State on New Year's Eve.
Last Week's Rank: 13
Notable Wins: Stanford (Neutral), VCU (Neutral)
Missouri has won its last three games by an average of 20.7 points.
The Tigers should be able to get another win against South Carolina State on Monday before facing Illinois over the weekend.
Last Week's Rank: 12
Notable Wins: West Virginia (Home), Oklahoma (Neutral), Kansas State (Neutral)
Gonzaga defeated Kansas State to improve to 5-0 in games away from home and 10-1 overall.
The Bulldogs have been one of the more balanced teams in the country with seven players averaging more than six points per game.
Last Week's Rank: 11
Notable Wins: Butler (Neutral), Gonzaga (Road)
Illinois warded off Eastern Kentucky's upset bid on Sunday, defeating the Colonels 66-53.
The Fighting Illini will take their undefeated record to Missouri on Saturday for their second road contest against a Top 25 team.
Last Week's Rank: 10
Notable Wins: Iowa State (Neutral), Oregon (Neutral), Alabama (Home)
Cincinnati remained undefeated by winning at Marshall on Saturday. In their last three wins, the Bearcats' average margin of victory is 27.3 points.
This week, the Bearcats will face Xavier and Wright State.
Last Week's Rank: 9
Notable Wins: Saint Louis (Neutral), Belmont (Home)
Kansas defeated the hopes of mid-major fans on Saturday with a 89-60 win over the Belmont Bruins. Travis Releford, Ben McLemore, Andrew White and Jeff Withey all scored in double figures, and Elijah Johnson was a main contributor with seven points, five rebounds and nine assists.
The Jayhawks will look to continue their seven-game winning streak when they face Richmond and Ohio State this week.
Last Week's Rank: 5
Notable Wins: Wisconsin (Home), Marquette (Home)
In its first road game against a Top 25 team, Florida lost to Arizona, 65-64. This loss ended the Gators' seven-game winning streak.
On Saturday, Florida will be tested once again against Kansas State.
Last Week's Rank: 7
Notable Wins: Washington (Neutral)
Ohio State went 2-0 last week with wins over Savannah State and UNC-Asheville. Junior Deshaun Thomas was the team's driving force, averaging 19.5 points and 8.5 rebounds.
The Buckeyes should be able to pick up another easy win over Winthrop on Tuesday before hosting Kansas over the weekend.
Last Week's Rank: 2
Notable Wins: Georgetown (Neutral), UNC (Home)
In a game for the ages, Indiana was upset by Butler on Saturday at the Crossroads Classic. The Hoosiers blew a seven-point lead in the second half and lost in overtime.
Indiana will finish its non-conference slate with three home games against Mount St. Mary's, Florida Atlantic and Jacksonville.
Last Week's Rank: 6
Notable Wins: Missouri (Neutral), Memphis (Road)
Louisville erased a 16-point deficit against Memphis on Saturday and ended up winning, 87-78.
The Cardinals will finish off their non-conference slate over the next couple of weeks with games against Florida International, Western Kentucky and Kentucky.
Last Week's Rank: 8
Notable Wins: Southern Miss (Home), Clemson (Road), Florida (Home)
Arizona picked up its first Top 25 victory of the season with a last-second win over Florida on Saturday night.
The Wildcats erased a five-point deficit in the final minute and won on a layup by Xavier transfer Mark Lyons.
Last Week's Rank: 4
Notable Wins: San Diego State (Neutral)
Syracuse defeated Canisius, albeit with some difficulty, on Saturday to improve to 9-0. Sophomore Michael Carter-Williams now has five consecutive games with a double-double, which is something you do not see too often from a guard.
After playing Detroit on Monday, the Orange will face Temple at Madison Square Garden on Saturday at noon.
Last Week's Rank: 3
Notable Wins: Pitt (Neutral), Kansas State (Neutral), NC State (Home)
Michigan defeated West Virginia at the Barclays Center on Saturday to improve to 11-0. Sophomore Trey Burke put together the best overall performance of his career with 27 points on 12-of-16 shooting, five rebounds, eight assists, three steals and zero turnovers.
The Wolverines finish off their non-conference competition with homes games against Eastern Michigan and Central Michigan before starting Big Ten play against Northwestern on January 3rd.
Last Week's Rank: 1
Notable Wins: Kentucky (Neutral), Minnesota (Neutral), Louisville (Neutral), Ohio State (Home), Temple (Neutral)
Duke remains No. 1 this week despite not playing a game.
The undefeated Blue Devils will play easy home games against Cornell and Elon this week before facing tougher mid-major opponents in Santa Clara and Davidson.