Cristiano Ronaldo dos Santos Aveiro born in 5 February 1985, in Funchal, Madeira, Portugal.

At age 16, Ronaldo was promoted from Sporting's youth team by first-team manager László Bölöni, who was impressed with his dribbling. He subsequently became the first player to play for the club's under-16, under-17 and under-18 teams, the B team, and the first team, all within a single season. A year later, on 7 October 2002, Ronaldo made his debut in the Primeira Liga, against Moreirense, and scored two goals in their 3–0 win.

A Portuguese international, Ronaldo was named the best Portuguese player of all time by the Portuguese Football Federation in 2015. He made his senior debut in 2003 at age 18, and has since earned over 150 caps, including appearing and scoring in eight major tournaments, becoming Portugal's most capped player and his country's all-time top goalscorer. He scored his first international goal at Euro 2004 and helped Portugal reach the final of the competition.

Ronaldo became Manchester United's first-ever Portuguese player when he signed before the 2003–04 season. His transfer fee of £12.24 million made him, at the time, the most expensive teenager in English football history. Although he requested the number 28, his number at Sporting, he received the number 7 shirt, which had previously been worn by such United players as George Best, Eric Cantona and David Beckham.

First Champions League title awarded. The 2008 UEFA Champions League Final was a football match that took place on Wednesday, 21 May 2008, at the Luzhniki Stadium in Moscow, Russia, to determine the winner of the 2007–08 UEFA Champions League. It was contested by Manchester United and Chelsea, making it an all-English club final for the first time in the history of the competition.

He subsequently became United's first Ballon d'Or winner since George Best in 1968.

Ahead of the 2009–10 season, Ronaldo joined Real Madrid for a world record transfer fee at the time, of £80 million (€94 million). His contract, which ran until 2015, was worth €11 million per year and contained a €1 billion buy-out clause.

Real Madrid and Portugal winger Cristiano Ronaldo won the Ballon d'Or award as the World Player of the Year. It was his second Ballon d'Or, after winning the award in 2008, as well as his first FIFA Ballon d'Or.

The match took place on Saturday, 24 May 2014, at the Estádio da Luz in Lisbon, Portugal, between Spanish sides Real Madrid and Atlético Madrid. It was the fifth tournament final to feature two teams from the same association, the second all-Spanish final and the first between teams from the same city. Real Madrid won the match 4–1 after extra time, with goals from Gareth Bale, Marcelo and Cristiano Ronaldo following a 93rd-minute header by Sergio Ramos. and this was the 2nd champions league title awarded by Cristiano Ronaldo.

Real Madrid and Portugal forward Cristiano Ronaldo won the FIFA Ballon d'Or as the World Player of the Year for a second consecutive time, having won it previously last year.

It was played at the San Siro stadium in Milan, Italy, on 28 May 2016, between Spanish teams Real Madrid and Atlético Madrid, in a repeat of the 2014 final. It was 3rd Champions League title awarded by Cristiano Ronaldo.

In the final against hosts France, Ronaldo was forced off after just 25 minutes following a challenge from Dimitri Payet. After multiple treatments and attempts to play on, he was stretchered off the pitch and replaced by Quaresma. During extra time, substitute Eder scored in the 109th minute to earn Portugal a 1–0 victory. As team captain, Ronaldo later lifted the trophy in celebration of his country's first-ever triumph in a major tournament. He was awarded the Silver Boot as the joint second-highest goalscorer, with three goals and three assists, and was named to the team of the tournament for the third time in his career.

France Football announced that they would publish a shortlist of 30 players across six announcements with two hour intervals on 24 October 2016. On 12 December 2016, Cristiano Ronaldo won the award by a record margin of 429 points ahead of second-placed Lionel Messi and Antoine Griezmann, who came third.

It was played at the Millennium Stadium in Cardiff, Wales on 3 June 2017, between Italian side Juventus and Spanish side and titleholders Real Madrid, in a repeat of the 1998 final. Real Madrid won the match 4–1 to secure their 12th title in this competition. This was fourth Champions League title awarded by Cristiano Ronaldo.

Cristiano Ronaldo won the award on 7 December 2017 equalling the highest tally of Ballons D'Or in history, sharing the honor with Lionel Messi.

Madrid wins Champions League 2018. to make Ronaldo the most Player won the UCL of all time by 5 times, in 2008, 2014, 2016, 2017, 2018.

After eight days of transfer speculation concerning Italian club Juventus, on 10 July 2018, Ronaldo signed a four-year contract with them after completing a €100 million transfer, which included an additional €12 million in other fees and solidarity contributions to Ronaldo's youth clubs. The transfer was the highest ever for a player over 30 years old, and the highest ever paid by an Italian club.