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2026–27

Boston Celtics

Preseason Preview

A new supporting cast around the same star.

The Big Picture

Boston enters 2026–27 after a 56-win season and a first-round exit that made the offseason impossible to treat as business as usual. The franchise’s defining move was trading Jaylen Brown to Philadelphia for Paul George and a package of future picks — a bet that flexibility and frontcourt upgrading can outweigh the loss of a two-way star who had defined Boston’s identity for nearly a decade.

Around Jayson Tatum, the supporting cast looks different: Mitchell Robinson and Mike Conley arrived in free agency to fortify the rim and the backcourt, Neemias Queta was extended as a long-term center piece, and the draft added Chris Cenac Jr. and Dillon Mitchell. Preseason is less about whether Boston can still win games and more about whether the new combinations can create reliable offense when defenses load up on Tatum — and whether the defense still travels without Brown’s size and competitiveness on the wing.

What Changed

Key Additions

  • Paul George

    Wing scoring / secondary creation via Brown trade

  • Mitchell Robinson

    Rim protection / offensive rebounding

  • Mike Conley

    Veteran backcourt depth / half-court organization

Key Departures

  • Jaylen Brown

    Two-way star creation / wing defense vacated

  • Nikola Vučević

    Frontcourt scoring / size vacated

Draft Picks

  • Chris Cenac Jr.

    No. 27 — size / developmental frontcourt upside

  • Dillon Mitchell

    No. 40 — two-way wing depth

Team Snapshot

59–30
First Round
117.6
110.0
97.2

Projected Depth Chart

Projected starters by position
Derrick White
Payton Pritchard
Jayson Tatum
Paul George
Neemias Queta

Key Questions

  1. Who absorbs the creation Brown used to provide?

    Tatum remains the fulcrum, but Brown’s on-ball gravity and transition finishing are gone. Watch whether Derrick White, Payton Pritchard, and Paul George can collectively replace that second-creation layer — especially in half-court sets where Boston previously leaned on Brown to break pressure.

  2. How do Queta and Robinson share the frontcourt?

    Boston added elite rim protection in Mitchell Robinson while extending Neemias Queta. Preseason minutes, pick-and-roll coverage, and rebound splits will show whether this is a true timeshare, a starter/backup hierarchy, or a matchup-driven rotation that flexes night to night.

  3. Can Paul George stay available enough to matter in May?

    George gives Boston scoring, size, and playmaking on paper. The real signal is availability and sustained defensive effort across an 82-game grind — not a strong October. Track load management patterns early; they preview how much Boston can count on him when the East tightens.

Players to Watch

Jayson Tatum

SF · 6'8" · Age 28

What we're watching

Tatum’s role is stable as the primary creator, but the supporting cast changed. Watch how often he plays off-ball next to George, who finishes possessions when defenses blitz, and whether assist volume rises as Boston redistributes on-ball responsibility without Brown.

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Paul George

PF · 6'8" · Age 36

What we're watching

The trade centerpiece on the roster side. Preseason is about chemistry with Tatum, shot diet in Boston’s spacing scheme, and whether he can hold up as a high-minute wing defender. Availability and decision-making under pressure matter more than early scoring spikes.

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Payton Pritchard

SG · 6'1" · Age 28

What we're watching

Brown’s departure opens more secondary creation and shot volume. Track on-ball reps, pull-up threes, and whether starting runway sticks once Conley and White compress the guard minutes. Pritchard’s decision-making with the second unit is a quiet lever for Boston’s offense.

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Usage & Role Watch

Jayson TatumPrimary creatorStable
Derrick WhiteTwo-way guardOpportunity ↑
Payton PritchardSixth Man / secondary guardMinutes ↑
Paul GeorgeNew to BostonRole TBD
Neemias QuetaStarting centerCompetition ↑
Mitchell RobinsonNew to BostonCompetition ↑

Upcoming Schedule

View full schedule

Context to Watch

  • When Tatum sits

    Which teammates historically absorb minutes, usage, assists, or shot volume in games he misses? Treat prior with/without splits as descriptive history — especially useful now that Brown is gone and George/Conley change the second-unit map.

  • Frontcourt pairings

    Monitor which big combinations (Queta, Robinson, and developmental size) share the floor most often in preseason. Court Context will later compare those pairings against historical participation and rim-protection splits where sample allows.

Historical with/without results describe what occurred in previous games and do not guarantee the same effect in a new lineup.

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Court Context Outlook

Boston's preseason is a chemistry problem first and a talent problem second. The ceiling still runs through Tatum; the open questions are whether George can stay on the floor, whether White and Pritchard can cover the creation Brown used to provide, and whether Queta and Robinson can coexist without muddying the offense. Watch who gains touches and defensive assignments early — those patterns will say more about Boston’s East standing than any single exhibition box score.

Boston Celtics Preseason Preview | Court Context