Sivert Heggheim Mannsverk (born 8 May 2002) is a Norwegian professional

footballer A football player or footballer is a sportsperson who plays one of the different types of football. The main types of football are association football, American football, Canadian football, Australian rules football, Gaelic football, rugby lea ...

who plays as a

central midfielder In the sport of association football, a midfielder takes an Glossary of association football terms#O, outfield position primarily in the middle of the pitch. Midfielders may play an exclusively defensive role, breaking up attacks, and are in t ...

for club

Ajax Ajax may refer to: Greek mythology and tragedy * Ajax the Great, a Greek mythological hero, son of King Telamon and Periboea * Ajax the Lesser, a Greek mythological hero, son of Oileus, the king of Locris * Ajax (play), ''Ajax'' (play), by the an ...

Club career

Sogndal

Mannsverk progressed through the youth ranks of

Sogndal Sogndal is a List of municipalities of Norway, municipality in Vestland Counties of Norway, county, Norway. It is located on the northern shore of the Sognefjorden in the Districts of Norway, traditional district of Sogn. The village of Hermansv ...

. He signed his first professional contract in February 2019 and made his senior debut on 7 April 2019 against

Sandefjord Sandefjord () is a List of municipalities of Norway, municipality in Vestfold county, Norway. It is located in the Traditional districts of Norway, traditional district of Vestfold. The administrative centre of the municipality is the Sandefjord ...

in the

Norwegian First Division The Norwegian First Division, also called 1. divisjon () and OBOS-ligaen (due to sponsoring ties with :no:OBOS, OBOS), is the second-highest level of the Norwegian football league system. Each year, the top finishing teams in the 1. divisjon ...

. He quickly established himself as a regular midfielder for the team over the next two and a half seasons in Norway's second tier, making 55 appearances and scoring 6 goals across all competitions, including participation in the

Eliteserien Eliteserien () is a professional association football league in Norway and the highest level of the Norwegian football league system. Contested by 16 clubs, it operates on a system of promotion and relegation with the Norwegian First Division ...

promotion play-offs. His performances attracted interest from larger clubs.

Molde

On 28 July 2021, Mannsverk signed for

club

Molde Molde () is a List of towns and cities in Norway, town and the seat of Molde Municipality in Møre og Romsdal county, Norway. It is located in the Traditional districts of Norway, traditional district of Romsdal. It is located on the Romsdal Pen ...

on a contract until 2025. He became a key player in Molde's midfield during the 2022 season, helping the team win the

and

Norwegian Cup The Norwegian Football Cup () is the main knockout cup competition in Norwegian football. It is run by the Football Association of Norway and has been contested since 1902, making it the oldest football tournament in the country. The tournament ...

double. Mannsverk scored the winning goal in the Cup Final against Bodø/Glimt on 1 May 2022. His performances earned him the Eliteserien Breakthrough Player of the Year award for 2022. He also featured regularly in European competitions for Molde, primarily the

UEFA Europa Conference League The UEFA Conference League (UECL), usually known simply as the Conference League, is an annual association football, football competition organised since 2021 by the UEFA, Union of European Football Associations (UEFA) for eligible European foot ...

. He continued as a starter in the 2023 season before transferring mid-campaign. In total, he made 86 appearances and scored 8 goals for Molde.

Ajax

On 1 September 2023, Mannsverk signed a five-year contract with

Eredivisie The Eredivisie (; "Honour Division" or "Premier Division") is a professional association football league in the Netherlands and the highest level of the Dutch football league system. The league was founded in 1956, two years after the start o ...

club

in the Netherlands. He made his debut on 17 September 2023 in an away match against

FC Twente Football Club Twente (), sometimes known internationally as FC Twente Enschede, is a Dutch professional Association football, football club from the city of Enschede. The club was formed in 1965 by the merger of 1926 Dutch champions Sportclub E ...

. However, his start at Ajax was significantly disrupted by a foot/ankle injury sustained shortly after his debut, which sidelined him for several months. Upon returning to fitness in early 2024, Mannsverk initially played matches for

Jong Ajax Jong Ajax (; ), also referred to as Ajax II or Ajax 2, is a Dutch association football team. It is based in Amsterdam and competes in the Dutch Eerste Divisie. Jong Ajax is the only reserve team to have won a title in Dutch professional foot ...

in the

Eerste Divisie The Eerste Divisie (; ) is the second-highest tier of football in the Netherlands. It is linked with the top-level Eredivisie via promotion/relegation systems. It is also known as the Keuken Kampioen Divisie due to sponsorship reasons, while ...

to build match rhythm. He made limited appearances for the first team during the remainder of the 2023–24 season and the start of the 2024–25 season, totaling 18 appearances for the senior side before going out on loan.

Loan to Cardiff City

On 28 January 2025, seeking regular playing time after his injury recovery, Mannsverk joined

EFL Championship The English Football League Championship, known simply as the Championship and for sponsorship purposes as Sky Bet Championship, is a professional association football league in England and Wales. Contested by 24 clubs, it is the highest divi ...

club

Cardiff City Cardiff City Football Club () is a professional association football club based in Cardiff, Wales. It currently competes in , the third tier of the English football league system in the 2025–26 season following relegation. Founded in 1899 a ...

on loan until the end of the 2024–25 season. He made his debut for the club on 1 February 2025 against

Leeds United Leeds United Football Club is a professional football club based in Leeds, West Yorkshire, England. The team compete in the Premier League, the top tier of the English football league system. Leeds United have won the League Championship th ...

and quickly became involved in the team's midfield. By mid-March 2025, he had made 10 league appearances for Cardiff City.

International career

Mannsverk has represented Norway at youth international level from under-15 to under-21. He made one appearance at the

2023 UEFA European Under-21 Championship The 2023 UEFA European Under-21 Championship (also known as UEFA Under-21 Euro 2023) was the 24th edition of the UEFA European Under-21 Championship (27th edition if the Under-23 era is also included), the biennial international youth Association f ...

. He was first called up to the senior Norway national team in November 2022 for friendlies.

Career statistics

Club

Honours

Molde *

2022 The year began with another wave in the COVID-19 pandemic, with SARS-CoV-2 Omicron variant, Omicron spreading rapidly and becoming the dominant variant of the SARS-CoV-2 virus worldwide. Tracking a decrease in cases and deaths, 2022 saw ...

: 2021–22 Individual *

Breakthrough of the Year:

References

External links

Molde FK profile
{{DEFAULTSORT:Mannsverk, Sivert 2002 births Living people People from Årdal Norwegian men's footballers Footballers from Vestland Men's association football midfielders Norway men's under-21 international footballers Norway men's youth international footballers Norwegian First Division players Eliteserien players Eredivisie players Eerste Divisie players Sogndal Fotball players Molde FK players AFC Ajax players Norwegian expatriate men's footballers Norwegian expatriate sportspeople in the Netherlands Expatriate men's footballers in the Netherlands 21st-century Norwegian sportsmen Norwegian expatriate sportspeople in Wales Expatriate men's footballers in Wales Cardiff City F.C. players