Watch Boston Celtics vs New York Knicks — NBA Playoffs Eastern Conference Semifinals Game 4 Free.

What's at Stake

This pivotal Game 4 at Madison Square Garden represents a massive crossroads in the Eastern Conference Semifinals, as the Celtics look to assert their dominance while the Knicks fight to protect home court. With the series reaching its midpoint, the outcome will likely determine whether Boston can pull away toward the Conference Finals or if New York can turn this into a grueling, long-form battle of attrition. The historic rivalry between these two Atlantic Division giants adds an extra layer of intensity to a matchup with massive championship implications.

Head-to-Head

The recent history between these franchises has been defined by physical, defensive-minded basketball, with both teams trading blows throughout the regular season and early playoff rounds. Boston has relied on their perimeter depth and high-volume scoring, while New York has found success through rebounding dominance and interior toughness. Momentum has shifted frequently in their last five meetings, proving that neither side is intimidated by the other's home-court advantage in this high-stakes postseason environment.

Key Players to Watch

• Jayson Tatum — The Celtics' cornerstone remains the primary offensive engine, capable of taking over the game with his elite shot-making and playmaking under pressure.
• Jalen Brunson — As the focal point of the Knicks' offense, his ability to navigate Boston's length and control the tempo of the game is essential for New York's success.
• Jaylen Brown — His two-way impact and aggressive transition play often serve as the barometer for the Celtics' energy levels on the road.

Prediction

Expect a high-intensity defensive struggle that remains close until the final minutes of the fourth quarter. The Celtics' superior floor spacing and playoff experience should give them a slight edge in a hostile environment, allowing them to execute better in clutch moments. Boston is predicted to secure a narrow victory in a low-scoring affair, potentially taking a commanding lead in the series.