Paris Saint-Germain’s left-back stands at five feet eight inches yet plays like a black hole—attackers drift toward his flank and disappear. After a season of marquee duels consistently swinging his way, the question isn’t whether Nuno Mendes belongs among Europe’s elite defenders, but how long it will take opponents to stop testing him. The 23-year-old faces off against Lionel Messi in the Round of 16 of the on Sunday. Can he also keep the GOAT scoreless?

Last season’s numbers already read like a warning label. Across all competitions, Mendes faced three of the sport’s most celebrated right-sided forwards and conceded zero open-play . The film—embedded below—tells the fuller story: bursts of acceleration to match speed merchants, balanced body angles that bait dribblers inside, and a knack for turning a clean tackle into the first pass of a counterattack.

Three case studies of total shutdown

Mohamed Salah, Liverpool (Champions League round of 16)
In the 210-minute tie, Salah produced one shot on target and no goal contributions. Mendes won 19 of 23 ground duels and completed 13 tackles, the bulk of them in the channel Salah loves to occupy. Spanish daily AS called it a “repeat neutralization” at Anfield.

Bukayo Saka, Arsenal (Champions League semifinal)
The crowd at the Emirates expected Saka to run at the young full-back; instead, frustration peaked when the winger’s late lunge brought a booking and a chorus of groans. Saka finished with two attempted dribbles, neither successful.

Lamine Yamal, (Nations League final, June 8, 2025)
Billed as Ronaldo v. Yamal, the match flipped when Mendes scored Portugal’s opener and limited the 17-year-old phenom to zero shots from open play. Named Player of the Match, he sprinted the length of the touchline to celebrate a shootout win that capped a treble-winning week.

Across those showdowns, Mendes combined relentless ball-winning with 14 progressive carries that jump-started PSG or Portugal attacks. It’s the two-way threat—and the confidence to recover—that lets Luis Enrique overload the opposite wing with Achraf Hakimi. When the left side is locked, the whole system breathes.

Mendes turned 23 this month, and the tape above will circulate in every analysts’ room from Madrid to Manchester. Still, forwards back themselves; reputations invite challenges. The next star will set up on PSG’s left, convinced that his slalom dribble or blind-side run can solve the puzzle. If recent history holds, he’ll leave the pitch studying the same footage you just watched, wondering how a defender so young made the game feel so small.