Alexander Isak

Swedish footballer (born 1999)

Alexander Isak secured a move to Liverpool in 2025 for a reported £125 million, a transaction that established new club and British transfer fee records. The Swedish striker, born in Stockholm in 1999, ascended through European leagues with a career defined by rapid goal-scoring achievements and consistent performance at the highest levels of professional club football.

Early Career and Domestic Impact

Raised in the Solna district of Stockholm, Isak joined the youth academy at AIK at a young age. He made his professional first-team debut on 28 February 2016 during a Swedish Cup match against Tenhults, scoring in the 6–0 victory. By April of that year, he became the youngest scorer in AIK's Allsvenskan history at 16 years and 199 days old. His performance in the 2016 season earned him the Årets nykomling award, and he scored two goals in a derby win against Djurgårdens on his 17th birthday.

THE FREE TEST
How high is yours?

Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.

Take the IQ test →

Continental Development

In January 2017, Isak transferred to Borussia Dortmund for a reported €9 million. He secured his first medal with the club during the 2016–17 DFB-Pokal campaign. After limited opportunities in Germany, he moved on loan to the Dutch club Willem II in 2019, where he became the first foreign-born player to score 12 goals in his first 12 Eredivisie matches. Later that year, he signed a five-year contract with Real Sociedad. During his tenure in Spain, he won the 2019–20 Copa del Rey and became the first Swedish player to record a La Liga hat-trick since 1949.

Premier League Tenure

Isak joined Newcastle United in August 2022 on a six-year contract, scoring on his debut against Liverpool. His time at Newcastle included notable scoring streaks, including a brace against Tottenham Hotspur and a decisive goal against Manchester City in the EFL Cup. By 2025, his sustained impact in the Premier League prompted his high-profile transfer to Liverpool. Throughout his international career for Sweden, which began in 2017, he has earned over 50 caps and participated in both UEFA Euro 2020 and the 2026 FIFA World Cup.

Fast facts

Questions readers ask

Which clubs has Alexander Isak played for?

He has played for AIK, Borussia Dortmund, Willem II, Real Sociedad, Newcastle United, and Liverpool.

What major trophies has Isak won?

His honors include the 2016–17 DFB-Pokal with Borussia Dortmund and the 2019–20 Copa del Rey with Real Sociedad.

Achievements

Compare with the greats

Rembrandt vs Vincent Van GoghCarl Sagan vs Srinivasa RamanujanHippocrates vs Niels BohrFriedrich Nietzsche vs Michael Faraday
See the IQ Rankings →All comparisons →

Child prodigies

Colin CarlsonBegan university courses at nine and now forecasts the next…Rayssa LealRayssa LealViral 'Fairy of Skate' who won Olympic street silver at age 13Jacob BarnettJacob BarnettAutistic Physics Prodigy — IUPUI Master's at 14, Perimeter…Yusra MardiniYusra MardiniSwam Refugees to Safety Across the Aegean — Olympic Athlete on…
Child prodigies →

Play & come back tomorrow

Daily Genius Challenge · Guess the genius
Self-taught English scientist who discovered electromagnetic induction, the basis of the electric generator.
Tap your answer ↓
Which Genius Are You? Free IQ Test