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“Adam Silver is a visionary in basketball,” Chris Mannix of Sports Illustrated revealed, citing the NBA commissioner’s clear preference for a radical rule change. Silver is considering reducing game duration from 48 to 40 minutes, a change that would fundamentally alter the league's structure.
The 40-Minute Gamble: Silver’s Global Vision
The impetus behind this potential revolution is multifaceted. In January 2025, Silver publicly voiced his support for cutting quarter lengths from 12 to 10 minutes, stating, “I’m a fan of four 10-minute quarters.” His primary arguments focus on player health, global rule harmonization, and modern consumption habits. The NBA stands alone with its 12-minute quarters, a stark contrast to FIBA’s 10-minute quarters used in the Olympics, World Cup, and EuroLeague. “Since basketball has a global reach, one of the things we would like to see in the future is the harmonization of rules,” Silver explained last year. He also contends a two-hour game format is more aligned with contemporary viewing patterns, a critical business consideration in an age of fragmented attention spans.
Adam Silver reportedly likes the idea of cutting NBA games to 40 minutes, per @SIChrisMannix 👀 (Via @SInow) pic.twitter.com/YFNHmmYJzI
Bench Player Values Fall
- Bench Player Depreciation: The role of the traditional bench player is at risk. With reduced rotation needs, mid-tier fantasy assets and late-round picks could see their floor value plummet.
Players Reject Rule Changes
Despite Silver’s enthusiasm, the proposal faces staunch resistance from the league’s workforce. A 2025 survey by The Athletic of 153 players revealed a resounding 78.1% rejection of the idea. Zaccharie Risacher, the young French forward, values the NBA’s unique identity: “When I was a kid in France, I always admired the NBA for its great players and great franchises, but also for its rules. I think it would be going too far to change this rule.” Portland’s Toumani Camara argues that the final minutes of a 48-minute game separate the league from others: “I feel like stopping playing 48 minutes would make the NBA less ‘tough.’ The extra minutes at the end of the game are perhaps the most difficult part. We see the mistakes and the mental fatigue.”
The practical implications for team rosters could be profound. As Cam Johnson noted to The Athletic, a reduction in game time wouldn’t affect starters’ minutes but would drastically slash those of reserves. “I think it would have the effect of reducing the playing time of substitutes. The starters would continue to play between 30 and 35 minutes. And that would simply mean the backups would only play five or ten minutes, which would radically change the composition of the roster.” This could incentivize teams to move away from a 15-player rotation and keep plenty of free roster spots, fundamentally altering the value of depth contracts.
| Current NBA Model | Proposed 40-Minute Model |
|---|---|
| 48-minute game duration | 40-minute game duration |
| Standard 15-man roster rotations | Potentially smaller rotations |
| Established records | Records become statistically unattainable |
League Records Face Changes
Beyond player welfare and business, the proposal threatens the league’s historical continuity. Records—some sacrosanct—are built upon a 48-minute foundation. Cutting eight minutes of playing time would change every standard, and the records so dear to the NBA would become difficult to surpass under a new format, creating a statistical chasm between eras. This poses a significant challenge for a league that prides itself on its rich history and constant comparison across generations.
Yet, not all stars are opposed. LeBron James, the NBA’s all-time leading scorer, has expressed a willingness to consider the FIBA format. “40-minute games are intriguing. The game moves so fast. There’s no let-up in international games. And it gives them a certain form of urgency. It’s something we could discuss. It would be difficult because it would change the history of this sport and impact stats and other things, but we could discuss it,” he said on his “Mind the Game” podcast, which he co-hosts with Steve Nash. This qualified support from the league’s biggest star provides a crucial counterbalance to the widespread player opposition, giving Silver a powerful ally in what promises to be an arduous negotiation.
For now, the idea remains just that: an idea. But given the NBA’s history of bold innovation, from the three-point line to zone defense, dismissing this potential revolution out of hand would be a mistake.
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