
The calendar flipped to January 1, and something clicked. With the playoffs in sight, contenders started separating from pretenders, and the cream rose to the top. While several teams made solid runs early in 2025, two teams have clearly stood above the rest â showing consistency, dominance, and that special âitâ factor you only see in championship-caliber squads.
Letâs break down the best two teams since January 1 â based on win percentage, momentum, roster synergy, and sheer impact on the league.
1. Boston Celtics (NBA) â A Green Machine in Full Gear
Since January 1, the Boston Celtics have looked nearly unbeatable. This isnât just a hot streak â itâs a statement. Boston didnât just win games; they crushed opponents. They led the NBA in net rating, had the best record post-January, and were blowing teams out by double digits almost nightly.
đ Whatâs Working:
- Jayson Tatum & Jaylen Brown: The star duo has evolved into one of the most effective and unselfish tandems in the league. Tatum is playing like a true MVP candidate, while Brownâs efficiency and defense have taken a major leap.
- Team Depth: Derrick White, Jrue Holiday, and Kristaps PorziĆÄŁis gave Boston a versatile supporting cast. This team defends at an elite level and can space the floor like crazy.
- Coaching & Consistency: Joe Mazzullaâs rotations have been tight, and the teamâs chemistry has only grown stronger. Every player knows their role and plays it with confidence.
đ Key Stats:
- Record since Jan 1: 35-7
- Net Rating: +11.2
- 3-Point %: Top 3 in the league
- Defensive Rating: #1 in the NBA
This Celtics team hasnât just been good â theyâve been historically great. And more importantly, theyâve maintained that energy night after night. No other team has combined dominance and consistency like Boston.
2. Bayer Leverkusen (Bundesliga) â The Unbeaten Run That Shook Europe
Across the Atlantic, another green-themed powerhouse was doing something just as spectacular â but on the pitch. Bayer Leverkusen, led by Xabi Alonso, turned heads not just in Germany but across all of Europe.
Since the start of the year, Leverkusen remained undefeated in domestic and European competitions, eventually securing their first-ever Bundesliga title and even chasing an unbeaten treble.
đ Whatâs Working:
- Xabi Alonsoâs Tactical Genius: Leverkusenâs fluid style â a mix of possession, pressing, and controlled tempo â has overwhelmed opponents. Alonso has created a system that highlights every playerâs strengths.
- Squad Balance: Florian Wirtz has been dazzling in midfield, while Granit Xhaka has brought leadership and calm. Defensively, the backline has been rock solid, and their transition game is lightning-quick.
- Mental Toughness: Perhaps the most impressive thing has been their ability to grind out results. Whether itâs a 1â0 defensive stand or a late winner, this team refuses to lose.
đ Key Stats:
- Record since Jan 1 (all competitions): 24 wins, 6 draws, 0 losses
- Goals scored: 60+
- Bundesliga title clinched with games to spare
- Europa League finalist (and potential champion)
For a club that has historically been overshadowed by Bayern Munich, this was a dream season. And make no mistake: Leverkusenâs rise is no fluke â this team has been tactically, mentally, and physically dominant in 2025.
Honorable Mentions đ„
While the Celtics and Leverkusen were the clear top two, a few other teams deserve a nod for their performances since January:
- Denver Nuggets: Jokic and co. went on a second-half tear, reminding the world why theyâre defending champs.
- Inter Milan: Won Serie A in dominant fashion and played some of the best football in Europe this spring.
- Minnesota Timberwolves: Shocked the NBA with a lockdown defense and elite play from Anthony Edwards.
- Oklahoma City Thunder: The leagueâs biggest surprise, with Shai Gilgeous-Alexander leading a youth-driven rise.
Final Thoughts đ§
Whether itâs on the hardwood or the pitch, the common denominator is chemistry, coaching, and a killer instinct. The Celtics have weaponized their depth and shooting to perfection, while Bayer Leverkusen has turned tactical elegance into pure dominance. Both teams arenât just winning â theyâre changing the tone of their sportâs current landscape.
As we look ahead to the NBA Finals and European footballâs grand finales, one thingâs clear: the road to the title runs through these two giants. If 2025 has shown us anything so far, itâs that greatness reveals itself when the pressure rises â and these two teams have shown nothing but greatness.