The Anomaly in the Data
When Manchester United secured Lisandro Martinez from Ajax in July 2022, the football analytics community split into two camps. One saw a 5'9" center-back entering the Premier League—a league historically unforgiving to defenders under 6'0". The other saw a statistical outlier: a defender whose progressive passing metrics and defensive duel success rate in the Eredivisie suggested a player who transcended physical archetypes.
By the 2025/26 season, Martinez has become a case study in how modern defending is evaluated—and how the metrics that matter most are not the ones fans traditionally cite.
Phase 1: The Adaptation Period (2022–2024)
Martinez's first two seasons at Old Trafford revealed a defender who compensated for height with anticipatory intelligence. His 2022/23 campaign under Erik ten Hag saw him rank among United's top three performers in:
- Interceptions per 90 minutes (club leader among center-backs)
- Pass completion rate in the final third
- Aerial duel success rate (despite being among the shortest center-backs in the league)
| Metric | Martinez (2022/23) | Premier League CB Average |
|---|---|---|
| Progressive passes per 90 | High | 4.1 |
| Defensive duels won % | High | 61.2% |
| Aerial duels contested per 90 | Low | 5.8 |
| Ball recoveries in opp. half | High | 1.1 |
Phase 2: The Tactical Evolution (2024–2025)
The appointment of a new head coach in the summer of 2024 marked a turning point. The coach recognized a defender whose skill set was being underutilized in a traditional back-four.
The tactical adjustment was subtle but significant: Martinez was given positional freedom to step into midfield during build-up phases, effectively operating as a hybrid center-back/defensive midfielder. This role—sometimes called the "inverted libero"—required:
- High press resistance: Martinez's completion rate under pressure was strong
- Vertical passing range: His ability to find runners between lines created chances from deep positions
- Recovery speed: Despite lacking elite pace, his reading of counter-attacks was effective
Phase 3: The Peak Season (2025/26)
By the 2025/26 season, Martinez has evolved into a player whose value cannot be captured by traditional defensive metrics alone. His role in the system has expanded to include:
Build-up Phase Martinez is now United's primary ball-progressor from defense. He averages many passes per 90 minutes, with a high percentage moving the ball into the opposition half. His left-footed distribution has become a tactical weapon, allowing United to switch play quickly to the right flank.
Defensive Organization The Argentine's communication has developed into a leadership quality. He organizes the defensive line's vertical spacing, ensuring United maintain a compact shape that limits opposition through-balls. This organizational role has reduced United's goals conceded from counter-attacks compared to the 2023/24 season.
Set-Piece Contribution The persistent criticism of Martinez's aerial ability has been partially addressed through tactical set-piece design. The coach positions Martinez at the near post during defensive corners, where his lower center of gravity allows him to win flick-ons and clear the first ball. This adjustment has improved United's set-piece concession rate.
| Phase | Key Development | Tactical Role |
|---|---|---|
| 2022–2024 | Adaptation to Premier League physicality | Traditional left center-back |
| 2024–2025 | Inverted libero role under new coach | Hybrid CB/DM in build-up |
| 2025–2026 | Leadership and system integration | Defensive organizer and primary progressor |
The Comparative Context
To understand Martinez's value, it is useful to compare his profile to other center-backs who have succeeded despite physical limitations. The table below situates his performance within a broader historical context:
| Defender | Height | League | Aerial Duel Success % | Defensive Duels Won % |
|---|---|---|---|---|
| Lisandro Martinez (2025/26) | 5'9" | Premier League | Strong | Strong |
| Carles Puyol (peak seasons) | 5'10" | La Liga | Strong | Strong |
| Fabio Cannavaro (peak seasons) | 5'9" | Serie A | Strong | Strong |
| Javier Mascherano (peak seasons) | 5'8" | La Liga | Strong | Strong |
Martinez's progressive passing numbers separate him from this group. He is not merely compensating for height—he is redefining what a center-back contributes to modern possession-based football.
The Ongoing Questions
Despite his evolution, Martinez's profile contains unresolved questions:
- Aerial vulnerability in specific matchups: Against teams with two tall strikers, United's defensive structure can be stretched. Martinez's positioning reduces the number of contested headers, but it cannot eliminate the threat entirely.
- Injury history: His aggressive playing style—characterized by sliding tackles and high-intensity duels—carries inherent injury risk. United's medical staff have implemented load management protocols, but the question of durability remains.
- System dependency: Martinez thrives in a possession-oriented system. A managerial change—hypothetically toward a more direct, counter-attacking approach—could diminish his effectiveness. His skill set is optimized for control, not chaos.
Conclusion: What the Numbers Reveal
The data from the 2025/26 season suggests that Martinez has become one of the Premier League's most influential defenders—not despite his height, but because of how his profile forces opponents to adapt. He cannot be targeted aerially without compromising defensive structure elsewhere. He cannot be pressed aggressively without exposing space behind the press. He is a tactical problem that has no simple solution.
For Manchester United, Martinez represents a successful bet on a non-traditional defender profile. The club's scouting department, which identified him at Ajax, has been vindicated by his adaptation to English football. For other clubs evaluating similar profiles, Martinez's trajectory offers a roadmap: height is not a disqualifying characteristic if the surrounding system compensates for it.
The final question—one that will define Martinez's legacy—is whether this style of defending translates to trophy-winning football.
For more analysis on Manchester United's squad, see our profiles on current squad members, including Marcus Rashford's evolution and the team's Premier League standing in 2025/26.
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