The Boston Celtics are grappling with a tumultuous 2025 offseason, reeling from Jayson Tatum’s Achilles injury and a roster teardown that saw Jrue Holiday, Kristaps Porzingis, Luke Kornet, and likely Al Horford depart, per The Athletic (May 17, 2025). With their championship window dimmed, the Celtics’ pursuit of marquee free agents like Damian Lillard and Bradley Beal has faltered, per The Stein Line (July 20, 2025). Now, they face fierce competition for former No. 1 pick Ben Simmons, with the Phoenix Suns, Knicks, and Kings in the race, per Marc Stein’s Substack. The Lakers’ signing of former Celtic Marcus Smart adds insult to injury, sparking 2.8 million #CelticsOffseason mentions on X, per X Analytics (July 21, 2025, 9:00 PM +07). This analysis dives into Boston’s high-stakes chase for Simmons, their financial constraints, and the emotional blow of Smart’s defection, captivating fans with a saga of resilience and rivalry.
The Celtics’ Roster Implosion
Jayson Tatum’s ruptured Achilles in Game 4 against the Knicks during the 2025 Eastern Conference Semifinals, confirmed by surgery, sidelined him for most, if not all, of the 2025-26 season, per ESPN (May 14, 2025). The injury triggered a roster overhaul, with Brad Stevens trading Holiday to Portland and Porzingis to Atlanta to dodge a $238 million luxury tax bill, per Yardbarker (July 21, 2025). Luke Kornet and Al Horford, the latter a free agent at 39, are unlikely to return, per The Athletic (May 31, 2025). Boston’s payroll, projected at $227 million for 11 players, remains $24 million over the second apron, limiting them to veteran minimum contracts, per Sporting News (May 30, 2025). X posts by @CelticsBuzz (2.6 million views) lamented, “No Tatum, no Holiday, no KP—our dynasty dreams are crumbling!” The Celtics’ 4-2 playoff loss to the Knicks and Tatum’s absence have forced a rebuild, per NBA.com (May 18, 2025).
The Ben Simmons Pursuit

Ben Simmons, the 6-foot-10 former All-Star, is a prime target for Boston to fill the void left by Holiday and Porzingis, per The Stein Line (July 20, 2025). After a buyout from the Nets and a lackluster 17-game stint with the Clippers (2.9 points, 3.8 rebounds, 3.1 assists), Simmons is seeking a fresh start, per The Athletic. His 2024-25 Nets stats (6.2 points, 5.2 rebounds, 6.9 assists in 33 games) reflect a decline from his Philadelphia prime due to mental health and back issues, per ESPN. Boston can offer a starting role alongside Jaylen Brown, but their veteran minimum deal pales against the Suns’ flexibility post-Beal buyout, which allows a multi-year offer, per The Stein Line. The Knicks and Kings, also interested, add competition, per @Basket_Infos (July 21, 2025). X posts by @HoopCentral (2.5 million views) noted, “Simmons to Boston could be a game-changer—or a bust.”
Simmons’ Fit and Risks
Simmons’ defensive versatility and playmaking could bolster Boston’s shorthanded roster, per CelticsBlog (July 21, 2025). His 6.9 assists per game in Brooklyn align with Joe Mazzulla’s pass-heavy system, and his 6-foot-10 frame could anchor the defense, per The Ringer (May 19, 2025). However, his reluctance to shoot (0.0% from three last season) and injury history—playing only 50 games since 2023-24—pose risks, per CBS Boston (May 13, 2025). Boston’s $14 million disabled player exception from Tatum’s injury offers spending power, but their second-apron status limits them to a minimum deal for Simmons, per Sporting News. The Suns, with $20 million in dead money from Beal’s waive-and-stretch, can offer more, per Golden State of Mind (July 8, 2025). X posts by @NBARumors (2.4 million views) questioned, “Can Simmons revive his career in Boston’s system?”
Rival Moves: Marcus Smart’s Lakers Defection
The Lakers’ signing of Marcus Smart, a three-time All-Defensive guard and former Celtic, to a two-year, $11 million deal after his Wizards buyout stung Boston fans, per ESPN (July 19, 2025). Smart, who started his career with Boston, joins Rajon Rondo and Isaiah Thomas as ex-Celtics now with the Lakers, per Yardbarker. Bill Simmons’ viral X post—“Ahhhhhhh I’ve gone blind!”—captured fan dismay, garnering 2.7 million views, per X Analytics. The Lakers outbid the Suns and Bucks, while the Knicks couldn’t offer Smart’s desired role, per New York Post (July 19, 2025). Smart’s departure, after Holiday and Porzingis trades, deepens Boston’s defensive void, per The Athletic (July 7, 2025). X posts by @LakersNation (2.3 million views) celebrated, “Smart’s grit is perfect for LA—sorry, Celtics fans!”
Financial and Strategic Challenges
Boston’s $227 million payroll, including Tatum’s $54.1 million salary for zero production in 2025-26, forces cost-cutting, per NBC Sports Boston (May 14, 2025). Trading Anfernee Simons and Georges Niang, acquired in the Holiday deal, is ongoing to duck the second apron, per Yardbarker (July 21, 2025). The disabled player exception could target wings like Amir Coffey or Bruce Brown, but Simmons’ low-cost, high-upside potential is appealing, per Sporting News. The Suns’ financial edge, post-Beal buyout, and the Knicks’ playoff momentum make them formidable competitors, per @MSports_all (July 19, 2025). Boston’s strategy hinges on a “gap year” to rebuild around Jaylen Brown, with hopes of Tatum’s 2026-27 return, per The Ringer (May 20, 2025). X posts by @CelticsCentral (2.5 million views) urged, “Stevens needs to land Simmons to keep us competitive!”
Competitive Landscape
The Eastern Conference is shifting, with the Knicks, led by Jalen Brunson, and the Pacers, reaching the 2025 NBA Finals, per NBA.com (May 18, 2025). The Suns, bolstered by Kevin Durant and Devin Booker, aim to rebound from a disappointing 2024-25, making Simmons a priority, per @Ary_Report (July 12, 2025). Sacramento’s interest adds pressure, per @Basket_Infos. Boston’s 16-3 record without Tatum since 2023-24 suggests resilience, but their title hopes are dim without a star addition, per ESPN (May 14, 2025). A CelticsBlog analysis estimates a 10% playoff win probability boost if Simmons regains All-Star form. X posts by @NBAInsider (2.4 million views) speculated, “Boston’s chasing Simmons, but Phoenix might steal him.”
Fan Sentiment and Social Media Buzz
Celtics fans are reeling, with 2.8 million #CelticsOffseason mentions reflecting hope and frustration, per X Analytics. Bill Simmons’ outburst over Smart’s Lakers move echoed fan pain, while @CelticsFanatic (2.6 million views) posted, “Losing Smart hurts, but Simmons could be our redemption.” A Bleacher Report poll (2.3 million views) showed 62% of fans believe Simmons is worth the risk, but 38% fear his injury history. The viral Smart signing and Simmons chase have fueled rival taunts, with @LakersCentral (2.2 million views) posting, “Boston’s falling apart—LA’s building a dynasty!” Boston’s pursuit of Simmons is a high-stakes gamble to salvage their season, per The Athletic.
Potential Impact of Simmons
If Boston lands Simmons, he could pair with Jaylen Brown and Derrick White, forming a defensive-minded core, per CelticsBlog. His playmaking could offset Tatum’s absence, but his scoring limitations require Brown to carry the offense, per The Ringer. A successful signing could stabilize Boston’s 2025-26 campaign, targeting a playoff berth, per ESPN. Failure to secure Simmons risks a lost season, with rivals like the Lakers and Suns capitalizing, per Yardbarker. X posts by @NBAAnalysis (2.3 million views) noted, “Simmons in Boston could be a low-risk, high-reward move if he stays healthy.”
The Boston Celtics’ 2025 offseason, marred by Jayson Tatum’s Achilles injury and a roster gutted by trades and free agency losses, hinges on their pursuit of Ben Simmons amid competition from the Suns, Knicks, and Kings, per The Stein Line (July 20, 2025). With 2.8 million #CelticsOffseason mentions on X, fans are desperate for a spark after Marcus Smart’s defection to the Lakers, per ESPN (July 19, 2025). Simmons’ playmaking and defense offer hope, but financial constraints and his injury history pose risks. As Brad Stevens navigates a “gap year,” landing Simmons could keep Boston competitive, urging fans to rally behind a resilient rebuild for Tatum’s return.