Mattsson's output across five U20 Championship appearances is defined almost entirely by his defensive work, averaging over eight tackles per match and reaching 17 in a single game — numbers that point to a high-volume, reliable presence at the breakdown and in the line. His carrying is minimal and low-gain, suggesting his role is built around physicality and defensive grunt rather than ball-in-hand contribution. Within Uruguay's pack, he functions as a workhorse lock whose value is measured in stops made rather than metres gained.
Nicolas Mattsson is a professional rugby union lock registered with the Uruguay U20, the South Africa-based franchise. He forms part of the matchday squad and is tasked with winning lineout ball and adding grunt in the second row.
As a lock, Nicolas features for the Uruguay U20 across the United Rugby Championship, the Currie Cup and European club competition, with home fixtures played at South Africa in South Africa.
Follow Nicolas Mattsson's match appearances, fixtures, results and the latest Uruguay U20 news on Octafield — South Africa's home of rugby.
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