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Knicks vs. Celtics Game 1: Preview, Systems, & Best Bets

May 5, 2025
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Knicks vs. Celtics Game 1 Betting Preview: Can New York Survive the Storm in Boston?

Tonight, the New York Knicks head to TD Garden to take on the defending champion Boston Celtics in Game 1 of their Eastern Conference Semifinal series. Tipoff is set for 7:00 PM ET, with national coverage on TNT.

Boston enters as heavy favorites, laying 9 points on the spread and priced at -450 on the moneyline. The Knicks, fresh off a hard-fought six-game series win over the Pistons, are listed as +333 underdogs. Oddsmakers have the total set at 212.5 points—relatively modest for two playoff teams known for their defensive grit.

Despite some postseason injuries, the Celtics have looked sharp, dispatching the Magic in five games. Meanwhile, the Knicks arrive in Boston bruised and battle-worn, having leaned heavily on their starters and survived a more difficult first-round opponent than expected.

Recent History Favors Boston—Heavily

This may be a matchup between two storied franchises, but recent results have been anything but even.

Since Joe Mazzulla took over as head coach, the Celtics are 8-1 straight up and 6-2-1 against the spread against the Knicks. They've also performed well in playoff openers under his leadership, going 6-2 SU and 5-3 ATS in Game 1s.

Meanwhile, the Knicks have struggled mightily when facing elite competition. Against teams with a top-10 point differential this season—a group Boston ranks 3rd in—New York went just 6-16 straight up, with a troubling -3.8 average spread differential.

Regular Season Matchups Paint a Grim Picture

The regular season meetings didn’t provide much reason for Knicks optimism, either. Boston won three of the four games—by 23, 27, and 13 points. The fourth was a resting spot for Boston and shouldn’t carry much weight.

Matchup-wise, this is a nightmare for New York. The Celtics thrive on hunting mismatches in pick-and-roll sets, and Jalen Brunson and Karl-Anthony Towns are two prime targets defensively. Offensively, the Knicks rely heavily on the Brunson-Towns two-man game, but Boston’s versatile wings can switch seamlessly and disrupt that action entirely.

Kristaps Porziņģis looms large as a weak-side defender. New York struggled with Jalen Duren sagging off Josh Hart last series—Porziņģis can do the same with far more shot-blocking presence and spacing threat on the other end.

Final Thoughts, Best Bets, & Betting Systems

Until the Knicks prove they can survive against an elite defense while limiting their own exposure on the other end, it’s hard to make a convincing case for the upset. Thibodeau’s squad is tough and battle-tested, but they may have emptied the tank in Round 1. Boston has owned this rivalry recently and enters tonight with all the matchup edges, rest advantage, and tactical leverage. Our best bet tonight is the Boston Celtics -9.

We have a host of strong playoff systems active on the Celtics tonight, see below. 

System) Home teams with a rest advantage

  • 68% win rate, 32% ROI
  • Team is at home
  • Team has had at least 6 days of rest
  • Opponent has had less than 5 days of rest
  • Team is receiving no more than 70% of public spread bets

System) Big money favorites, team has a way higher win%

  • 67% win rate, 30% ROI
  • Playoff matchup
  • Team’s spread is between -1.5 and -12.5
  • Team’s win% is AT LEAST 10% higher than their opponent’s
  • The money-bet% differential is at least +2%. (ie., team is receiving a higher % of public money than they are public bets, signaling sharp / big money bettors).

System) Fading trendy road dogs

  • 62% win rate, 19% ROI
  • Playoff matchup
  • Team is at home
  • Team is favored by less than 10 points
  • Team is receiving no more than 40% of public bets

This series may tighten later on, but Game 1 has all the makings of a Boston statement win. Don’t overthink it—ride with the champs.

Want more playoff betting analysis like this? Join Insider Bets for daily system-backed plays, matchup breakdowns, and winning insights all postseason long.

Knicks vs. Celtics Game 1: Preview, Systems, & Best Bets

May 5, 2025

Join Insider Bets now!

Knicks vs. Celtics Game 1 Betting Preview: Can New York Survive the Storm in Boston?

Tonight, the New York Knicks head to TD Garden to take on the defending champion Boston Celtics in Game 1 of their Eastern Conference Semifinal series. Tipoff is set for 7:00 PM ET, with national coverage on TNT.

Boston enters as heavy favorites, laying 9 points on the spread and priced at -450 on the moneyline. The Knicks, fresh off a hard-fought six-game series win over the Pistons, are listed as +333 underdogs. Oddsmakers have the total set at 212.5 points—relatively modest for two playoff teams known for their defensive grit.

Despite some postseason injuries, the Celtics have looked sharp, dispatching the Magic in five games. Meanwhile, the Knicks arrive in Boston bruised and battle-worn, having leaned heavily on their starters and survived a more difficult first-round opponent than expected.

Recent History Favors Boston—Heavily

This may be a matchup between two storied franchises, but recent results have been anything but even.

Since Joe Mazzulla took over as head coach, the Celtics are 8-1 straight up and 6-2-1 against the spread against the Knicks. They've also performed well in playoff openers under his leadership, going 6-2 SU and 5-3 ATS in Game 1s.

Meanwhile, the Knicks have struggled mightily when facing elite competition. Against teams with a top-10 point differential this season—a group Boston ranks 3rd in—New York went just 6-16 straight up, with a troubling -3.8 average spread differential.

Regular Season Matchups Paint a Grim Picture

The regular season meetings didn’t provide much reason for Knicks optimism, either. Boston won three of the four games—by 23, 27, and 13 points. The fourth was a resting spot for Boston and shouldn’t carry much weight.

Matchup-wise, this is a nightmare for New York. The Celtics thrive on hunting mismatches in pick-and-roll sets, and Jalen Brunson and Karl-Anthony Towns are two prime targets defensively. Offensively, the Knicks rely heavily on the Brunson-Towns two-man game, but Boston’s versatile wings can switch seamlessly and disrupt that action entirely.

Kristaps Porziņģis looms large as a weak-side defender. New York struggled with Jalen Duren sagging off Josh Hart last series—Porziņģis can do the same with far more shot-blocking presence and spacing threat on the other end.

Final Thoughts, Best Bets, & Betting Systems

Until the Knicks prove they can survive against an elite defense while limiting their own exposure on the other end, it’s hard to make a convincing case for the upset. Thibodeau’s squad is tough and battle-tested, but they may have emptied the tank in Round 1. Boston has owned this rivalry recently and enters tonight with all the matchup edges, rest advantage, and tactical leverage. Our best bet tonight is the Boston Celtics -9.

We have a host of strong playoff systems active on the Celtics tonight, see below. 

System) Home teams with a rest advantage

  • 68% win rate, 32% ROI
  • Team is at home
  • Team has had at least 6 days of rest
  • Opponent has had less than 5 days of rest
  • Team is receiving no more than 70% of public spread bets

System) Big money favorites, team has a way higher win%

  • 67% win rate, 30% ROI
  • Playoff matchup
  • Team’s spread is between -1.5 and -12.5
  • Team’s win% is AT LEAST 10% higher than their opponent’s
  • The money-bet% differential is at least +2%. (ie., team is receiving a higher % of public money than they are public bets, signaling sharp / big money bettors).

System) Fading trendy road dogs

  • 62% win rate, 19% ROI
  • Playoff matchup
  • Team is at home
  • Team is favored by less than 10 points
  • Team is receiving no more than 40% of public bets

This series may tighten later on, but Game 1 has all the makings of a Boston statement win. Don’t overthink it—ride with the champs.

Want more playoff betting analysis like this? Join Insider Bets for daily system-backed plays, matchup breakdowns, and winning insights all postseason long.