Tottenham’s summer has offered a live case study in the tension between academy development and first-team readiness. Spurs sanctioned the departures of academy graduates Alfie Devine and Tynan Thompson — sold to Preston and Manchester United respectively for a combined £14 million — while also banking up to £50 million for young defender Luka Vuskovic, who joined Brighton without ever making a single senior appearance for the club. Is that evidence the pathway has failed, or proof the business side of it is working exactly as intended?

The most telling case is Will Lankshear: Middlesbrough paid Tottenham £14 million, potentially rising to £20 million with add-ons, for a striker who made just six senior appearances, scoring once against Galatasaray. Yet a loan spell at Oxford United, where Lankshear scored 12 goals in a promotion push, revealed exactly why Middlesbrough moved for him. This is a deliberate strategy from Spurs rather than an accident; the club wants greater productivity from its academy, whether that means progression to the first team or generating funds to reinvest in Roberto De Zerbi’s squad. Crucially, the club has built sell-on clauses and matching rights into the Devine, Thompson, and Vuskovic deals specifically to protect future upside.

Fan frustration at seeing prospects leave underlines just how loosely “success” is defined for a Premier League academy. Ideally, it acts as a talent pipeline, producing a steady stream of Premier League-level stars to fill out the first-team squad — but in reality, this is far from the norm. Increasingly, the academy acts as a financial engine, directly funding other signings and helping clubs stay compliant within an ever more stringent rulebook of league governance.

The timing matters for Spurs, too. Under the outgoing Profit and Sustainability Rules (PSR), Premier League clubs face a £105 million loss cap over three years, and transfer accounting rewards selling young players who were bought cheaply. A fee is amortized over a contract, so profit is only booked on the gap between sale price and remaining book value and for a player bought young and cheap, that gap is huge. Tottenham paid roughly £2 million for Will Lankshear and £12 million for Luka Vuskovic; selling them for up to £20 million and potentially £50 million respectively still nets a paper profit far beyond either fee. It’s especially timely, too as from 2026/27, PSR is being replaced by a Squad Cost Ratio system capping spending at 85% of revenue. One that explicitly folds in profit from player sales. This summer’s clear-out doesn’t just tidy up historic losses; it directly expands what Tottenham can spend going forward.

Spurs’ summer of selling looks almost modest next to Chelsea, English football’s most systematic example of this exact model. Chelsea have generated over £478.5 million from academy sales over the last decade — a figure larger than Arsenal’s entire total from player sales of any kind across the same period. Their approach leans on aggressive global recruitment and an extensive loan system that functions as both a finishing school and a shop window, and while it has produced genuine first-team regulars like Reece James and Mason Mount, the primary financial engine remains selling graduates for substantial fees rather than fielding them.

The criticism cuts both ways. Some see it as an indictment of a badly run club, needing to sell academy players with the volume and desperation Chelsea have shown, while defenders point out the strategy has directly funded marquee signings the club otherwise couldn’t have afforded — not without breaching FFP restrictions, at least. Even Chelsea’s own graduates have pushed back publicly: forward Bertrand Traore said outright that he felt ready for the first team and didn’t understand why he kept being loaned out instead.

Set against that backdrop, Tottenham’s approach this summer of building sell-on clauses and buy-back rights into every deal rather than simply cashing out looks less like panic-selling and more like borrowing a lesson from the club that’s monetized this pattern the longest.