The Rockets are off to a 16-8 start to the season. Photo by Alex Slitz/Getty Images.

There was a conversation Cleveland guard Donovan Mitchell had during training camp, the topic being all the teams that were generating the most preseason buzz in the Eastern Conference. Boston was coming off an NBA championship. New York got Karl-Anthony Towns. Philadelphia added Paul George.

The Cavs? Not a big topic in early October. And Mitchell fully understood why.

“What have we done?” Mitchell asked. “They don't talk about us. That's fine. We'll just hold ourselves to our standard.”

That approach seems to be working.

For the first time in 36 seasons — yes, even before the LeBron James eras in Cleveland — the Cavaliers are atop the NBA at the 25-game mark. They're 21-4, having come back to earth a bit following a 15-0 start but still better than anyone in the league at this point.

“We've kept our standards pretty high,” Cavaliers coach Kenny Atkinson said. “And we keep it going.”

The Cavs are just one of the surprise stories that have emerged as the season nears the one-third-done mark. Orlando — the only team still unbeaten at home — is off to its best start in 16 years at 17-9 and having done most of that without All-Star forward Paolo Banchero. And Houston is 16-8, behind only the Cavs, Boston, Oklahoma City and Memphis so far in the race for the league's best record.

Cleveland was a playoff team a year ago, as was Orlando. And the Rockets planted seeds for improvement last year as well; an 11-game winning streak late in the season fueled a push where they finished 41-41 in a major step forward after a few years of rebuilding.

“We kind of set that foundation last year to compete with everybody,” Rockets coach Ime Udoka said. “Obviously, we had some ups and downs with winning and losing streaks at times, but to finish the season the way we did, getting to .500, 11-game winning streak and some close losses against high-level playoff teams, I think we kind of proved that to ourselves last year that that's who we're going to be.”

A sign of the respect the Rockets are getting: Oddsmakers at BetMGM Scorebook have made them a favorite in 17 of 24 games so far this season, after favoring them only 30 times in 82 games last season.

“Based on coaches, players, GMs, people that we all know what they're saying, it seems like everybody else is taking notice as well,” Udoka said.

They're taking notice of Orlando as well. The Magic lost their best player and haven't skipped a beat.

Banchero's injury after five games figured to doom Orlando for a while, and the Magic went 0-4 immediately after he tore his oblique. Entering Tuesday, they're 14-3 since — and now have to regroup yet again. Franz Wagner stepped into the best-player-on-team role when Banchero got hurt, and now Wagner is going to miss several weeks with the exact same injury.

Ask Magic coach Jamahl Mosley how the team has persevered, and he'll quickly credit everyone but himself. Around the league, it's Mosley getting a ton of the credit — and rightly so — for what Orlando is doing.

“I think that has to do a lot with Mose. ... I have known him a long time,” Phoenix guard Bradley Beal said. “A huge fan of his and what he is doing. It is a testament to him and the way they’ve built this team.”

The Magic know better than most how good Cleveland is, and vice versa. The teams went seven games in an Eastern Conference first-round series last spring, the Cavs winning the finale at home to advance to Round 2.

Atkinson was brought in by Cleveland to try and turn good into great. The job isn't anywhere near finished — nobody is raising any banners for “best record after 25 games” — but Atkinson realized fairly early that this Cavs team has serious potential.

“We’re so caught up in like the process of improve, improve, improve each game, improve each practice," Atkinson said. “That’s kind of my philosophy. But then you hit 10-0, and obviously the media starts talking and all that, and you’re like, ‘Man, this could be something special brewing here.’”

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Texas hosts Clemson on Dec. 21. Photo by Tim Warner/Getty Images.

No. 4 Texas will be competing for a return trip to Atlanta when it plays at home against No. 13 Clemson in the first round of the College Football Playoff.

The winner of the Clemson-Texas first-round game on Dec. 21 will play No. 10 Arizona State in the Jan. 1 Peach Bowl in Atlanta in the CFP quarterfinals.

For Clemson quarterback Cade Klubnik, who is from Austin, Texas, the game will be a homecoming.

“We recruited him hard," Texas coach Steve Sarkisian said Sunday, calling Klubnik “a winner. He will do whatever it takes to put his team in position to be successful.”

Added Sarkisian: “When he made the decision to go to Clemson, honestly I wasn’t surprised. Both his parents went to (Texas) A&M.”

Klubnik applauded the announcement of the game at Texas for Clemson's seventh CFP appearance.

“For him to be going to his first playoff in Austin, Texas, where he grew up, you can’t make that up,” Clemson coach Dabo Swinney said. “Pretty cool opportunity for him and his family to go compete against Texas there in Austin.”

Swinney said his only visit to the Texas stadium was to watch Klubnik play in a high school playoff game.

“We’ve never played Texas or played in that stadium,” Swinney said. “... It’s going to be amazing. It’s one of the best venues in college football.”

The Longhorns (11-2) were seeded No. 5 in the CFP following their 22-19 overtime loss to Georgia on Saturday night in the Southeastern Conference championship game in Atlanta.

Sarkisian said his players were “really excited” to see Texas land the No. 5 seed and have the opportunity to play in the Longhorns' first game against Clemson.

Texas safety Andrew Mukuba is a Clemson transfer. Sarkisian said players already were calling the matchup the “Mukuba Bowl.”

Swinney said: “I love Mukuba. I just love his spirit and love his heart. He was a really neat kid.

“I certainly wish he had been able to finish here. He did everything that was asked of him at Clemson. Made a bunch of big plays.”

Clemson (10-3) beat SMU 34-31 in the Atlantic Coast Conference championship game Saturday night to land an automatic CFP berth. The Tigers are ranked No. 16 in the CFP but were given the 12th and lowest seed. As the fifth-highest ranked league champion, the Tigers do not get a bye and instead must visit Texas.

Arizona State (11-2) earned a bye by rolling over Iowa State 45-19 in the Big 12 championship game Saturday. The Sun Devils were led by running back Cam Skattebo's 170 rushing yards in their impressive win to cap their first season in the Big 12.

Peach Bowl president Gary Stokan noted the Sun Devils were picked to finish last in the Big 12.

“You proved them all wrong,” Stokan told Arizona State coach Kenny Dillingham.

Arizona State players celebrated the announcement of their No. 4 seed.

Dillingham said he hopes the conference championship and berth in the CFP helps him recruit and continue to build the program.

“Hopefully this stage will help get our branding out there, and show people that we can be one of the newer brands in college football," Dillingham said. "Every 10-15 years a new brand shows up, and a new brand becomes a national brand.”No. 4 Texas will be competing for a return trip to Atlanta when it plays at home against No. 13 Clemson in the first round of the College Football Playoff.