Arsenal are reportedly scouting two seasoned centre‑backs—John Stones and Ezri Konsa—as potential reinforcements this summer, following the unsettling news that William Saliba will be sidelined for an extended period. Saliba, the 25‑year‑old French international, escaped the need for surgery after aggravating his back in France’s World Cup semi‑final loss to Spain, but medical staff expect a long rehabilitation timetable before he can return to full match fitness. John Stones has become available on a free transfer after his contract with Manchester City expired last month.

Sky Sports News confirms that the England defender is also on Chelsea’s radar, but Arsenal appear to have a strong interest, partly because of the familiarity Artur Mikel Arteta has with him from their time together at City, where Stones served as a key component of Pep Guardiola’s defensive unit. The former Everton man spent a decade at the Etihad, collecting 17 trophies, including six Premier League crowns, and amassed a wealth of experience at the highest level. His recent World Cup campaign demonstrated his fitness, as he featured in five matches for England, suggesting he could provide immediate cover for Saliba. However, Stones’ injury record raises questions.

In the 2022‑23 season he managed just 439 Premier League minutes, hampered by thigh, calf and other muscular problems, and the preceding campaign saw him on the field for only 547 minutes. Over his ten‑year spell at City, he never featured in more than 59 % of the league minutes available, a statistic that could make Arsenal wary of relying on him for a full season. Ezri Konsa, meanwhile, is a 28‑year‑old English centre‑back currently under contract with Aston Villa until 2026.

The Villa defender, who partnered Stones in England’s World Cup squad, is praised for his durability, having started at least 33 Premier League games in each of the last five seasons and boasting a clean bill of health with no major injury history. Konsa is comfortable on the ball, adept at playing out from the back, and can also slot in at right‑back—a versatility that mirrors Saliba’s own positional flexibility.

Statistically, Konsa shines in one‑on‑one situations. Opta data from the previous season recorded him with the highest ground‑duel success rate of any outfield player in the Premier League, a remarkable 73 %. His physical attributes and combative style make him an attractive prospect for Arteta, who values defenders capable of handling pressure and winning duels.

The downside is the financial ask: Villa are rumored to price Konsa at around £60 million, a figure that would represent a significant outlay for a player who will turn 29 in October. Arsenal’s current defensive roster already includes a blend of youth and experience. The Gunners secured the permanent transfer of Piero Hincapié after a successful loan from Bayer Leverkusen, and they also have Gabriel, Riccardo Calafiori, Cristhian Mosquera, Jurrien Timber and Ben White as options in central defence. White has returned to training following a knee injury sustained in May, while Timber is optimistic about a near‑future comeback after addressing a groin problem.

This depth gives Arteta some flexibility, but the loss of Saliba’s presence at the heart of the back line leaves a noticeable gap. The logic behind targeting Stones is clear: he is a free agent with a proven pedigree, and his familiarity with Arteta’s coaching philosophy could ease his integration.

Arteta himself has spoken highly of Stones, recalling their collaboration at City and noting the defender’s attributes that align with the Gunners’ style. "John is a player I really like," Arteta said in a previous interview.

"We followed him before we signed him when I was at City. I worked with him for many years. I know him well and when I look at centre‑backs, he has many attributes that I like." Nevertheless, the potential risk of recurring injuries cannot be ignored. Konsa, by contrast, offers robustness and a proven track record of availability, albeit at a higher price tag.

Both players can also operate as right‑backs, providing tactical flexibility for Arteta’s preferred back‑four or back‑three formations. In terms of similarity to Saliba, neither Stones nor Konsa rank among the top ten most stylistically comparable defenders in Europe according to Twenty3’s player similarity algorithm.

The tool, which evaluates a wide array of performance metrics, lists Inter Milan’s Manuel Akanji, former City defender Kojo Peprah Oppong of Nice, and Como’s Jacobo Ramon as the closest matches, with similarity scores nearing 97 %. Within the Premier League, only Chelsea’s Trevoh Chalobah and Manchester City’s Ruben Dias appear in the top ten, each scoring around 94 % similarity.

Should Arsenal decide to pursue either target, the club will need to weigh immediate defensive cover against long‑term financial commitments and the players’ injury histories. Stones presents a low‑cost, short‑term solution with a high ceiling if he can stay fit, while Konsa offers durability and a higher ceiling at a premium price.

As the summer transfer window approaches, Arteta and his recruitment team will have to balance these factors to ensure Arsenal maintain a competitive defensive line while navigating the financial realities of modern football.