Spain star Nico Williams was held in high regard by fans after his game-changing performance against Portugal in the UEFA Nations League on Tuesday (September 27).The Athletic Bilbao forward was brought in in the 73rd minute of the game as a substitute for a hapless Ferran Torres. The 20-year-old made an instant impact, tantalizing both Nuno Mendes and Joao Cancelo on both sides of Portugal's defense.His ability was on full display throughout the cameo appearance. Williams rose above Cancelo in the 88th minute to provide a headed assist for Alvaro Morata.Spain secured their qualification into the top four of the UEFA Nations League with the last-ditch goal from the Atletico Madrid attacker.Williams, who made his debut for La Roja earlier this week against Switzerland, certainly has the talent to become a superstar in the future.For those who don't know, Nico Williams is the younger brother of Bilbao star Inaki Williams. However, the older brother represents the Ghanaian national team at international level.Nevertheless, one assist, two shots on target, and 91 % pass accuracy is a mere statistical highlight of Williams' cameo appearance.Fans hailed the youngster and claimed that the future is bright for the younger Williams brother as his growth continues.Here are some of the best reactions after Williams' performance during Portugal vs. Spain:CFCRep@cfcrep1Nico Williams (20) - remember the name. Electric Winger. Absolutely rapid, is both footed, can play both wings, has good finishing, excellent dribbling, can beat multiple players, good crossing. Contract currently expires 2024, has a release clause of around £30-40m. Top Prospect761Nico Williams (20) - remember the name. Electric Winger. Absolutely rapid, is both footed, can play both wings, has good finishing, excellent dribbling, can beat multiple players, good crossing. Contract currently expires 2024, has a release clause of around £30-40m. Top Prospect https://t.co/xiRlj1gsRbKehinde Hassan Afolabi@hfworld_Three days after his international debut, Nico Williams assists a crucial goal that sends Spain into the semi finals of the UEFA Nations League.The future is here... 151Three days after his international debut, Nico Williams assists a crucial goal that sends Spain into the semi finals of the UEFA Nations League.The future is here... ⭐ https://t.co/7YZtbl4RR1B/R Football@brfootballSaturday: Nico Williams makes his debut for Spain.Today: Assists Morata for the 88th-minute winner vs. Portugal.12372826Saturday: Nico Williams makes his debut for Spain.Today: Assists Morata for the 88th-minute winner vs. Portugal.🌟 https://t.co/O9Cr4TLkOjThe Red Fury ™@SpainSystemSpain’s potential qualifying goal. Fantastic work by Dani Carvajal and Nico Williams.906126Spain’s potential qualifying goal. Fantastic work by Dani Carvajal and Nico Williams.https://t.co/LD73vCOOb1Owuraku Ampofo@_owurakuampofoNico Williams just assisted the goal that might send Spain into the UEFA Nations League semi-finals.1533110Nico Williams just assisted the goal that might send Spain into the UEFA Nations League semi-finals.Millustalents@millustalentsNico Williams vs. Portugal:⏱️ 17 minutes 1 assists🥅 2 shots on target🦶 19 touches 🪄 1 successful dribble 10 (91%) accurate passes 1 big chances created🦵 1 ground duels won 1 aerials duels won 1 balls recoveries🤩 1-0 winGame changer1808Nico Williams vs. Portugal:⏱️ 17 minutes🅰️ 1 assists🥅 2 shots on target🦶 19 touches 🪄 1 successful dribble👟 10 (91%) accurate passes 🎲 1 big chances created🦵 1 ground duels won ✈️ 1 aerials duels won💪 1 balls recoveries🤩 1-0 winGame changer✨ https://t.co/YHyG4J9CQYOptaJose@OptaJose1 - At 20 years and 77 days, Nico Williams has become the youngest player to provide an assist for Spain in the UEFA Nations League history. Providential.259231 - At 20 years and 77 days, Nico Williams has become the youngest player to provide an assist for Spain 🇪🇸 in the UEFA Nations League history. Providential. https://t.co/BEM8JJOWELEzenwanyi Camp Nou 💙❤️@Jiji_ByteNico Williams is truly special.36523Nico Williams is truly special. https://t.co/FHXqnJNZgGInaki Williams heaps praise on his younger brother and Spain star NicoNico Williams in action for SpainInaki Williams recently praised his younger brother Nico for the abilities he possesses. Both players represent Athletic Bilbao at club level.While speaking to Mundo Deportivo, here's what the older Williams brother had to say about his sibling (h/t HITC):"Physically I am a bit superior. Even though I am eight years older than him, in the 100 meters I still give him a cramp! But, in one-on-ones, however, he is practically unstoppable. (His rise) is incredible."He is showing that he is (improving), he is gaining experience. In front of goal, he is improving a lot. And the truth is, if I were Luis Enrique, I would also call up Nico. He is a talent, a rough diamond that needs to be polished. "He added:"He has a lot of room for improvement and hopefully he can continue to improve.”Nico has bagged two goals and assists each in six appearances for Bilbao as they sit fourth in the La Liga table.