England international? Tick. Premier League winner? Tick. At least 35 years old? Erm, tick that too. Chelsea’s transfer policy has taken a surprising turn this summer, ripped up and rewritten, and it’s led the club to the doors of Jordan Henderson and Danny Welbeck.

Chelsea are working on deals to add both to Xabi Alonso’s squad in time for the start of the new season. They have also missed out on other experienced targets such as John Stones, 32, who is set for a move to Inter Milan, and Granit Xhaka, 33, who Sunderland are determined to keep as captain.

It is a stunning departure from one of the most aggressive youth-focused transfer strategies in Premier League history, which has brought waves of potential to Stamford Bridge replete with lavish decade-long contracts. BlueCo have been dogmatic, signing only one player over 25 – defender Tosin Adarabioyo – since the summer of 2023. Last season, Chelsea signed 10 players ranging in age from 18 (Estevao, Kendry Paez) to 23 (Joao Pedro).

It would be wrong to say the transfer policy has been completely flawed. Nurturing young talent and investing in sellable assets is the modus operandi of many well-run clubs. Cole Palmer and Moises Caicedo were youthful signings, as were Enzo Fernandez and Wesley Fofana. Estevao and Joao Pedro had excellent debut seasons in an underwhelming Chelsea team.

But a 10th-placed finish in last season’s Premier League suggested something was fundamentally wrong. Chelsea picked up eight red cards along the way (Arsenal and Manchester City, the top two, didn’t receive any) and the lack of discipline hinted at a deep flaw in the mentality and behaviour of the squad.

The meek Champions League exit at the hands of Paris Saint-Germain was damning. Liam Rosenior’s team were heading towards a valuable 2-2 draw in Paris before a succession of needless individual errors saw them succumb to a 5-2 defeat, and winger Pedro Neto pushed over a ballboy in a show of ill-discipline. This reporter was at the second leg, when young defender Mamadou Sarr was thrown in at right-back and had a disastrous game as Chelsea wilted against Europe’s elite.

That last-16 exit would have fed into the club’s decision to recalibrate an inexperienced squad. The pursuit of older heads is a tacit admission that the talented squad BlueCo had built lacked leadership and proven quality. The recruitment of Xabi Alonso, a Bundesliga-winning manager, is in itself a marked change from the appointments of Rosenior and Enzo Maresca before him.

Which is not to say that Chelsea have entirely abandoned their former transfer strategy. If anything, they’ve doubled down. Morgan Rogers, 24, has joined for an eye-watering £117m in a seven-year deal. Atalanta right-back Marco Palestra, 21, and Sporting winger Geovany Quenda, 19, have signed seven- and eight-year deals respectively. Welbeck may as well ask for a contract until he’s 44.

The Blues are still buying talented teenagers, like 17-year-old Kazakh striker Dastan Satpayev, who scored in Alonso’s first friendly against Western Sydney Wanderers in Australia on Tuesday.

Against that backdrop, it might seem a little clumsy, even naive, to simply bolt on vast experience to a young squad, rather than taking the time to mature players within the group. This season’s leaders could have been two players who started the World Cup final, Marc Cucurella and Enzo Fernandez, but one has gone to Real Madrid and the other – who was sent off – wants to leave.

The new strategy is a shift beyond proven players to players past their peak, entering the winter of their careers. Is this a piece of savvy business in the transfer market? Or an overreaction to redress an obvious imbalance? Chelsea supposedly chose Rogers’ £117m fee because it was £1m more than Manchester City paid for Elliot Anderson, which doesn’t scream boardroom maturity.

A valid question remains about whether Chelsea have enough players in their prime. Alonso’s likely starting XI has only one outfield player over the age of 26 (Trevoh Chalobah is 27). Over the past four years the club have sold a number of players in or near their prime, such as Kai Havertz, Mateo Kovacic, Noni Madueke, Conor Gallagher and Mason Mount, a lucrative selling strategy causing a mid-20s talent drain.

And perhaps the most costly consequence of BlueCo’s reign is to the sense of what Chelsea are as a club, of who they are meant to be. Their Premier League dominance two decades ago was characterised by strong personalities who forged deep connections to Stamford Bridge. That sense of identity cannot be bought in the transfer market, whether you spend £117m on a 24-year-old or sign a veteran for free.

There is an argument that, in time, the work that has gone into recruiting some of the best teenagers in the world will eventually come to fruition, that those players now in their early 20s will be future leaders. But that involves time, and Chelsea managers don’t tend to get much of it.

So Alonso must hope that his new recruits have an immediate impact. Henderson and Welbeck are known for bringing positive energy and professionalism to a squad. Both tend to be fit for most of the season, ironic considering Henderson is now recovering from a broken arm sustained falling over a hoarding. Welbeck’s career was hindered by injuries but he has transformed himself physically, making at least 36 appearances for Brighton in each of the past four seasons.

Alonso is not their only admirer. Thomas Tuchel strongly considered Welbeck for England’s World Cup squad, and was questioned over his decision to select Henderson. Perhaps his answers help to explain Chelsea’s thinking. “What Hendo brings to every team is leadership, character, personality, energy,” said Tuchel. “He is a serial winner … He is the glue in every team that he has played, the glue that makes things special.”