The criteria for defining NBA contenders can vary widely, but for this analysis, a simplified approach is taken, focusing primarily on win-loss percentages. The spotlight is on teams that have achieved a winning percentage of .700 or above as the 2024-25 season begins. The following discussion will highlight six teams, examining their most significant weaknesses and suggesting potential improvements. It is important to note that the list of contenders will likely evolve throughout the season, allowing for the addition and subtraction of teams as the grueling 82-game schedule progresses.

Beginning with the Boston Celtics, their struggles in the paint have become increasingly apparent. While the team has committed to ranking high in shooting efficiency from beyond the arc, they face challenges in asserting themselves defensively and on the boards. With Kristaps Porziņģis currently sidelined due to offseason surgery, the frontcourt has shown vulnerabilities, ranking 18th in rebounding percentage and allowing significant paint points. The return of Porziņģis may provide a solution, as recent updates suggest he is progressing in his recovery. However, concerns persist regarding the depth of the frontcourt, particularly with Al Horford's advancing age and the reliance on untested players like Neemias Queta and Luke Kornet. A modest acquisition of a reliable backup center could enhance their overall depth and stability.

Shifting focus to the Cleveland Cavaliers, one cannot overlook their remarkable start to the season, boasting a historic 13-0 record alongside impressive efficiency rankings. Head Coach Kenny Atkinson has effectively managed player minutes and roles, allowing stars like Darius Garland and Evan Mobley to thrive. However, questions surrounding the frontcourt persist, particularly regarding spacing and the effectiveness of the Mobley-Jarrett Allen pairing against playoff-caliber defenses. Mobley's three-point shooting remains inadequate to fully stretch defenses, and prior postseason struggles raise concerns about their compatibility. The Cavaliers also face limited options for backup center and potential needs for upgrades on the wing. While their early performances have been commendable, the front office may still seek to bolster their roster, adhering to their prior three-and-D pursuits.

The Denver Nuggets present a fascinating case as they showcase their strengths primarily through the presence of Nikola Jokić. Despite facing early-season adversity, including injuries to Aaron Gordon and shooting inconsistencies from Jamal Murray, the Nuggets have maintained a solid 7-3 record, buoyed by Jokić's outstanding play. The three-time MVP leads the league in rebounds and assists while achieving personal bests in scoring efficiency. However, the bench depth has raised red flags, marked by significant struggles in net efficiency. The team’s decision to part with Bruce Brown and Kentavious Caldwell-Pope has left gaps in production. While Christian Braun has stepped into a starting role effectively, the lack of consistency from the bench players may necessitate a trade for a backup center or playmaker to complement Jokić.

The Golden State Warriors have made a robust start to the season, achieving nine wins in their first 11 games and showcasing an impressive balance on both ends of the court. Their standing as the only team in the league with top-five efficiency in both offense and defense highlights their strong performance thus far. Despite this success, the franchise continues to grapple with finding a consistent co-star for Stephen Curry. Issues surrounding Jonathan Kuminga's benching and Andrew Wiggins' inconsistency are of particular concern, while newly acquired Buddy Hield has faced challenges defensively, impacting his playing time. The Warriors are well within the contender conversation, but an urgent need remains to secure a high-caliber partner for Curry to maintain their competitive edge moving forward.

The Oklahoma City Thunder face a stark reality as they sit at the bottom of the league in rebounding percentage, despite efforts to strengthen this aspect over the offseason. Acquiring Isaiah Hartenstein was intended to address rebounding concerns, but injuries have left the Thunder relying on a small-ball approach that has proven effective yet limited. Head Coach Mark Daigneault has acknowledged the necessity of adaptation in their play style, but the team would prefer to utilize smaller lineups as a secondary option rather than a primary strategy. With key players such as Chet Holmgren sidelined, the Thunder possess a wealth of trade assets that could enable them to seek external assistance in strengthening their frontcourt.

Finally, the Phoenix Suns continue to navigate the challenges posed by injuries and depth constraints, emphasizing the fragility of their championship aspirations. The core of Kevin Durant and Bradley Beal, while formidable, remains vulnerable due to their recent health histories. The Suns' net rating suggests they are not performing at an elite level, and their effectiveness on the defensive end is notably lacking. Improving defensive metrics such as steals and turnover rates could facilitate a smoother transition in offensive plays, particularly given their preference for jump shots. The limited options available for trade acquisitions may require strategic maneuvers to enhance their bench depth. Increasing the playing time of emerging talents like Josh Okogie and rookie Ryan Dunn might also provide immediate relief and bolster their pursuit of improved performance.